{"product_id":"the-polly-leakproof-knicker","title":"NIXI Body Polly Leakproof Knicker — Heavy Absorbency","description":"\u003cdiv style=\"color: #3f2a2f; line-height: 1.7; max-width: 720px;\"\u003e\n\n\u003cp style=\"font-size: 1.1rem; color: #5c3d45;\"\u003eMeet the \u003cstrong\u003eheavy period knickers\u003c\/strong\u003e that prove protection and prettiness aren't mutually exclusive. The NIXI Body Polly combines super-absorbent leakproof technology with delicate lace detailing and a high-waisted silhouette — holding up to 25ml (4–5 tampons) for total confidence on your heaviest days and through the night. Available in sizes 8–24, the Polly is the most inclusive style in the NIXI Body range.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size: 1.5rem; color: #3f2a2f;\"\u003eWhy You'll Feel Confident in the NIXI Body Polly Knicker\u003c\/h2\u003e\n\n\u003cdiv style=\"background: #f7f4f0; padding: 25px; border-radius: 12px; border-left: 3px solid #7a5c3a; margin: 20px 0;\"\u003e\n\u003ch3 style=\"font-size: 1.2rem; color: #3f2a2f;\"\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✦\u003c\/span\u003e Key Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul style=\"font-size: 1.05rem; color: #4a2a33; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e \u003cstrong\u003eMaximum heavy absorbency\u003c\/strong\u003e — holds up to 25ml (4–5 tampons), the highest absorbency in the NIXI Body range, for complete protection on your heaviest days\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e \u003cstrong\u003ePretty lace detailing\u003c\/strong\u003e — because period underwear should make you feel good, not just protected; the Polly is as lovely to look at as it is functional\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e \u003cstrong\u003eHigh-waisted silhouette\u003c\/strong\u003e — added comfort and coverage, especially welcome on days when you need a little extra support\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e \u003cstrong\u003eWider gusset\u003c\/strong\u003e — broader absorbent zone for maximum protection and peace of mind, day and night\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e \u003cstrong\u003ePerfect for overnight wear\u003c\/strong\u003e — the high waist and wide gusset make the Polly the ideal choice for sleeping through your heaviest nights without worry\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e \u003cstrong\u003eInclusive sizing\u003c\/strong\u003e — available in sizes 8–24, making the Polly one of the most size-inclusive period knickers available\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e \u003cstrong\u003eReusable \u0026amp; sustainable\u003c\/strong\u003e — washable up to 40°C and designed to last for years, replacing hundreds of disposable period products\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-size: 1.5rem; color: #3f2a2f;\"\u003eHow to Wear the Polly Knicker with Confidence\u003c\/h2\u003e\n\n\u003cp style=\"font-size: 1.05rem; color: #4a2a33;\"\u003eThe Polly is your go-to for the days — and nights — when you need to know you're completely covered. Wear it alone on heavy flow days and let the four-layer, wide-gusset design do the work, or pair with a menstrual cup on your very heaviest days for an extra layer of reassurance. The high waist sits comfortably and securely, making it particularly brilliant for overnight protection.\u003c\/p\u003e\n\n\u003cp style=\"font-size: 1.05rem; color: #4a2a33;\"\u003eUnlike purely functional period underwear, the Polly's lace detailing means it genuinely feels like a nice pair of knickers — not a medical necessity. Wear it under pyjamas, a nightdress or loungewear and wake up feeling comfortable and protected, every single morning of your cycle.\u003c\/p\u003e\n\n\u003cp style=\"font-size: 1.05rem; color: #4a2a33;\"\u003eBuild your complete period wardrobe by pairing the Polly with the \u003ca href=\"\/collections\/period-pants\" style=\"color: #7a5c3a;\"\u003eGracie Thong for lighter days\u003c\/a\u003e and the \u003ca href=\"\/collections\/period-pants\" style=\"color: #7a5c3a;\"\u003eCarla Heavy Knicker\u003c\/a\u003e for daytime heavy flow. Browse our full \u003ca href=\"\/collections\/period-pants\" style=\"color: #7a5c3a;\"\u003eperiod pants \u0026amp; period underwear collection\u003c\/a\u003e, or explore our wider \u003ca href=\"\/collections\/shop-all-lingerie\" style=\"color: #7a5c3a;\"\u003elingerie \u0026amp; underwear edit\u003c\/a\u003e for everyday essentials.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size: 1.5rem; color: #3f2a2f;\"\u003eSizing, Fit \u0026amp; Care Tips\u003c\/h2\u003e\n\n\u003cdiv style=\"background: #f7f4f0; padding: 25px; border-radius: 12px; border-left: 3px solid #7a5c3a; margin: 20px 0;\"\u003e\n\u003ch3 style=\"font-size: 1.2rem; color: #3f2a2f;\"\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✦\u003c\/span\u003e Sizing\u003c\/h3\u003e\n\u003cp style=\"font-size: 1.05rem; color: #4a2a33;\"\u003eThe Polly runs true to size — simply select your usual size. Available in sizes 8–24.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 1rem; color: #4a2a33; margin-top: 10px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #e8e0d8;\"\u003e\n\u003cth style=\"padding: 8px 12px; text-align: left; border: 1px solid #d4c9bc;\"\u003eUK Size\u003c\/th\u003e\n\u003cth style=\"padding: 8px 12px; text-align: left; border: 1px solid #d4c9bc;\"\u003eEU Size\u003c\/th\u003e\n\u003cth style=\"padding: 8px 12px; text-align: left; border: 1px solid #d4c9bc;\"\u003eUS Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e8\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e36\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f4f0;\"\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e10\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e38\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e12\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e40\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f4f0;\"\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e14\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e42\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e16\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e44\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f4f0;\"\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e18\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e46\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e20\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e48\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f4f0;\"\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e22\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e50\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e24\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e52\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border: 1px solid #d4c9bc;\"\u003e20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"font-size: 1.2rem; color: #3f2a2f; margin-top: 20px;\"\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✦\u003c\/span\u003e Fabric Composition\u003c\/h3\u003e\n\u003cul style=\"font-size: 1.05rem; color: #4a2a33; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e Body: 75% nylon, 25% elastane\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e Lining: 95% cotton, 5% elastane\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e Middle layer: 80% polyester, 20% nylon\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e Waterproof TPU layer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"font-size: 1.2rem; color: #3f2a2f; margin-top: 20px;\"\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✦\u003c\/span\u003e Care Instructions\u003c\/h3\u003e\n\u003cul style=\"font-size: 1.05rem; color: #4a2a33; padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e Rinse in cold water after wear before washing\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e Machine wash at 30°C or 40°C — do not use fabric conditioner\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e Do not tumble dry — air dry only (allow extra drying time due to the multi-layer gusset)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #7a5c3a;\"\u003e✧\u003c\/span\u003e With proper care, your Polly knickers will last for years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-size: 1.5rem; color: #3f2a2f;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3 style=\"font-size: 1.2rem; color: #3f2a2f;\"\u003eHow much do the Polly heavy period knickers hold?\u003c\/h3\u003e\n\u003cp style=\"font-size: 1.05rem; color: #4a2a33;\"\u003eThe Polly holds up to 25ml — the equivalent of 4–5 tampons, making it the highest-absorbency style in the NIXI Body range. It's designed for heavy periods, overnight wear, postpartum flow and anyone who needs maximum protection without compromise.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 1.2rem; color: #3f2a2f;\"\u003eAre the Polly knickers good for overnight use?\u003c\/h3\u003e\n\u003cp style=\"font-size: 1.05rem; color: #4a2a33;\"\u003eYes — the Polly is specifically designed with overnight wear in mind. The high waist and wider gusset provide broader coverage and a more secure fit when lying down, so you can sleep through your heaviest nights with complete confidence.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 1.2rem; color: #3f2a2f;\"\u003eWhat size should I order?\u003c\/h3\u003e\n\u003cp style=\"font-size: 1.05rem; color: #4a2a33;\"\u003eThe Polly runs true to size — simply select your usual UK size. Available in sizes 8–24, making it one of the most size-inclusive period knickers available. If you're unsure, our UK customer service team is always happy to help — just drop us a message and expect a warm, honest response.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size: 1.2rem; color: #3f2a2f;\"\u003eHow is the Polly different from the Carla?\u003c\/h3\u003e\n\u003cp style=\"font-size: 1.05rem; color: #4a2a33;\"\u003eBoth are heavy absorbency period knickers, but the Polly holds slightly more (25ml vs 20ml), has a wider gusset for broader coverage, a high-waisted cut for added comfort, and pretty lace detailing. The Polly is particularly suited to overnight wear and those who want a more elevated look. The \u003ca href=\"\/collections\/period-pants\" style=\"color: #7a5c3a;\"\u003eCarla\u003c\/a\u003e is a lower-rise, VPL-free style better suited to daytime wear under fitted clothing.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size: 1.5rem; color: #3f2a2f;\"\u003eReady to Sleep Through Your Heaviest Nights?\u003c\/h2\u003e\n\u003cp style=\"font-size: 1.05rem; color: #4a2a33;\"\u003eThe NIXI Body Polly Leakproof Knicker is the period underwear for women who refuse to let their cycle disrupt their sleep, their comfort or their confidence. Maximum absorbency, beautiful lace detailing and a fit that works for every body — from size 8 to 24. Add your size to your basket today. \u003ca href=\"\/collections\/period-pants\" style=\"color: #7a5c3a;\"\u003eShop the full period pants collection →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch2 style=\"font-size: 1.5rem; color: #3f2a2f;\"\u003eYou May Also Like\u003c\/h2\u003e\n\u003cul style=\"font-size: 1.05rem; color: #4a2a33; padding-left: 20px;\"\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/period-pants\" style=\"color: #7a5c3a;\"\u003ePeriod Pants \u0026amp; Period Underwear\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/shop-all-lingerie\" style=\"color: #7a5c3a;\"\u003eLuxury Lingerie \u0026amp; Underwear\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/shop-gifts-for-women\" style=\"color: #7a5c3a;\"\u003eGifts for Women\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/shop-bath-beauty-makeup\" style=\"color: #7a5c3a;\"\u003eBath, Beauty \u0026amp; Wellness\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"NIXI Body","offers":[{"title":"8 \/ Black \/ Single","offer_id":57164634751353,"sku":"PollyBlackSmallHeavy","price":22.0,"currency_code":"GBP","in_stock":true},{"title":"8 \/ Black \/ 3 Pack","offer_id":57164634784121,"sku":"3PackPolly8","price":56.0,"currency_code":"GBP","in_stock":true},{"title":"8 \/ Black \/ 5 Pack","offer_id":57164634816889,"sku":"5PackPolly8","price":88.0,"currency_code":"GBP","in_stock":true},{"title":"10 \/ Black \/ Single","offer_id":57164634849657,"sku":"PollyBlackMediumHeavy","price":22.0,"currency_code":"GBP","in_stock":false},{"title":"10 \/ Black \/ 3 Pack","offer_id":57164634882425,"sku":"3PackPolly10","price":56.0,"currency_code":"GBP","in_stock":false},{"title":"10 \/ Black \/ 5 Pack","offer_id":57164634915193,"sku":"5PackPolly10","price":88.0,"currency_code":"GBP","in_stock":false},{"title":"12 \/ Black \/ Single","offer_id":57164634947961,"sku":"PollyBlackLargeHeavy","price":22.0,"currency_code":"GBP","in_stock":true},{"title":"12 \/ Black \/ 3 Pack","offer_id":57164634980729,"sku":"3PackPolly12","price":56.0,"currency_code":"GBP","in_stock":true},{"title":"12 \/ Black \/ 5 Pack","offer_id":57164635013497,"sku":"5PackPolly12","price":88.0,"currency_code":"GBP","in_stock":true},{"title":"14 \/ Black \/ Single","offer_id":57164635046265,"sku":"PollyBlackXLHeavy","price":22.0,"currency_code":"GBP","in_stock":true},{"title":"14 \/ Black \/ 3 Pack","offer_id":57164635079033,"sku":"3PackPolly14","price":56.0,"currency_code":"GBP","in_stock":true},{"title":"14 \/ Black \/ 5 Pack","offer_id":57164635111801,"sku":"5PackPolly14","price":88.0,"currency_code":"GBP","in_stock":true},{"title":"16 \/ Black \/ Single","offer_id":57164635144569,"sku":"PollyBlack2XLHeavy","price":22.0,"currency_code":"GBP","in_stock":true},{"title":"16 \/ Black \/ 3 Pack","offer_id":57164635177337,"sku":"3PackPolly16","price":56.0,"currency_code":"GBP","in_stock":true},{"title":"16 \/ Black \/ 5 Pack","offer_id":57164635210105,"sku":"5PackPolly16","price":88.0,"currency_code":"GBP","in_stock":true},{"title":"18 \/ Black \/ Single","offer_id":57164635242873,"sku":"PollyBlack3XLHeavy","price":22.0,"currency_code":"GBP","in_stock":true},{"title":"18 \/ Black \/ 3 Pack","offer_id":57164635275641,"sku":"3PackPolly18","price":56.0,"currency_code":"GBP","in_stock":true},{"title":"18 \/ Black \/ 5 Pack","offer_id":57164635308409,"sku":"5PackPolly18","price":88.0,"currency_code":"GBP","in_stock":true},{"title":"20 \/ Black \/ Single","offer_id":57164635341177,"sku":"PollyBlack4XLHeavy","price":22.0,"currency_code":"GBP","in_stock":true},{"title":"20 \/ Black \/ 3 Pack","offer_id":57164635373945,"sku":"3PackPolly20","price":56.0,"currency_code":"GBP","in_stock":true},{"title":"20 \/ Black \/ 5 Pack","offer_id":57164635406713,"sku":"5PackPolly20","price":88.0,"currency_code":"GBP","in_stock":true},{"title":"22 \/ Black \/ Single","offer_id":57164635439481,"sku":"PollyBlack5XLHeavy","price":22.0,"currency_code":"GBP","in_stock":true},{"title":"22 \/ Black \/ 3 Pack","offer_id":57164635472249,"sku":"3PackPolly22","price":56.0,"currency_code":"GBP","in_stock":true},{"title":"22 \/ Black \/ 5 Pack","offer_id":57164635505017,"sku":"5PackPolly22","price":88.0,"currency_code":"GBP","in_stock":true},{"title":"24 \/ Black \/ Single","offer_id":57164635537785,"sku":"PollyBlack6XLHeavy","price":22.0,"currency_code":"GBP","in_stock":true},{"title":"24 \/ Black \/ 3 Pack","offer_id":57164635570553,"sku":"3PackPolly24","price":56.0,"currency_code":"GBP","in_stock":true},{"title":"24 \/ Black \/ 5 Pack","offer_id":57164635603321,"sku":"5PackPolly24","price":88.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/6530\/5153\/files\/30_0e846214-dcfa-461d-b1f7-fc47d86411f7.png?v=1777446300","url":"https:\/\/www.ohsoluxe.co.uk\/products\/the-polly-leakproof-knicker","provider":"Oh So Luxe UK","version":"1.0","type":"link"}