{"product_id":"food-grade-silicone-sealing-ring-leak-proof-cup-gasket","title":"Food Grade Silicone Sealing Ring – Leak-Proof Cup Gasket","description":"\u003ch2\u003eFood Grade Silicone Sealing Ring – Leak-Proof Cup Gasket\u003c\/h2\u003e\n\u003cp\u003eKeep your drinks exactly where they belong — inside your cup. This \u003cstrong\u003efood grade silicone sealing ring\u003c\/strong\u003e is designed to create a tight, leak-proof seal for water cups, insulated tumblers, thermos lids, and more. Made from high-quality, food-safe silicone, it withstands high temperatures while remaining flexible enough to fit a variety of cup sizes.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFood Grade Silicone Material:\u003c\/strong\u003e Safe, non-toxic, and free from harmful chemicals — ideal for use with drinking vessels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Temperature Resistance:\u003c\/strong\u003e Maintains its shape and seal integrity even in hot and cold conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Fit:\u003c\/strong\u003e The elastic nature of the silicone means rings with a slightly smaller outer or inner diameter can still be used effectively. Rings with a slightly larger outer diameter can be trimmed to fit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2mm Thickness:\u003c\/strong\u003e A slim, precise profile that slots neatly into standard cup lid grooves without adding bulk.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Purpose Sealing:\u003c\/strong\u003e Suitable for water seals, dust seals, and fixed seals on cups, flasks, and insulated bottles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Install \u0026amp; Replace:\u003c\/strong\u003e Simply press into place for an instant, secure seal. No tools required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Food Grade Silicone\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 2mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Concern Chemicals:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUses:\u003c\/strong\u003e Water Seal, Dust Seal, Fixed Seal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSizing Tips\u003c\/h3\u003e\n\u003cp\u003eIf the outer diameter and inner diameter are slightly smaller than your cup's groove, the ring's elasticity will still allow it to seal effectively. If the outer diameter is slightly larger but the inner diameter matches, you can trim the ring slightly for a perfect fit. For custom sizes, please contact us directly.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x Food Grade Silicone Sealing Ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual color may vary slightly from images due to monitor brightness and display settings. Please allow a slight measurement deviation of ±1mm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/2-8l-beverage-dispenser-with-spigot-fridge-drink-dispenser\"\u003e2.8L Beverage Dispenser with Spigot – Fridge Drink Dispenser\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/cordless-rechargeable-milk-frother-coffee-foam-egg-whisk\"\u003eCordless Rechargeable Milk Frother – Coffee Foam \u0026amp; Egg Whisk\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-shot-glasses-set-8pc-storage-bag-bar-travel\"\u003e8-Piece Stainless Steel Shot Glasses Set with Storage Bag\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.nutrition.gov\/topics\/shopping-cooking-and-food-safety\" target=\"_blank\" rel=\"noopener\"\u003eNutrition.gov on cooking and food safety\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What sizes of silicone sealing rings are available, and how do I choose the right one?\u003c\/h4\u003e\n\u003cp\u003eA: The sealing rings come in various sizes as shown in the product images. Because food grade silicone is elastic, a ring with a slightly smaller outer or inner diameter than your cup groove can still form a secure seal. If the outer diameter is slightly larger, you can carefully trim the ring for a precise fit. For sizes not listed, please contact us and we'll be happy to help.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this silicone sealing ring safe for use with hot beverages?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The ring is made from food grade silicone that is high-temperature resistant, making it suitable for use with hot drinks, insulated tumblers, and thermos-style cups. It contains no high-concern chemicals and is designed to maintain its shape and sealing performance over repeated use.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this gasket be used for cups other than water cups?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This versatile silicone gasket works as a water seal, dust seal, and fixed seal. It is compatible with a wide range of cup types including insulated mugs, travel tumblers, thermos flasks, and standard lid-and-cup sets — making it a handy replacement part to keep on hand.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What sizes of silicone sealing rings are available, and how do I choose the right one?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The sealing rings come in various sizes as shown in the product images. Because food grade silicone is elastic, a ring with a slightly smaller outer or inner diameter than your cup groove can still form a secure seal. If the outer diameter is slightly larger, you can carefully trim the ring for a precise fit. 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