{"product_id":"12pcs-reusable-leak-proof-vial-caps-glass-bottles-airtight-stopper","title":"12Pcs Reusable Leak-Proof Vial Caps for 3ml \u0026 5ml Glass Bottles","description":"\u003ch2\u003eKeep Your Glass Vials Sealed \u0026amp; Secure\u003c\/h2\u003e\n\u003cp\u003eSay goodbye to spills and contamination! These \u003cstrong\u003e12-pack reusable vial caps\u003c\/strong\u003e are designed to fit snugly over your small glass vials, creating an airtight, leak-proof seal every time. Whether you're storing essential oils, perfume samples, liquid pigments, or travel toiletries, these versatile caps keep your contents fresh and your bag mess-free.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeak-Proof Airtight Seal:\u003c\/strong\u003e Snug-fitting TPU construction forms a reliable airtight seal to prevent leaks and spills.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFood-Grade Material:\u003c\/strong\u003e Made from food-safe TPU plastic — safe for use with essential oils, liquid samples, and food-contact applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Size Options (3ml \u0026amp; 5ml):\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cem\u003e3ml cap:\u003c\/em\u003e Height 3×1 cm | Outer Ø 2.5 cm | Inner Ø 2.1 cm\u003c\/li\u003e\n      \u003cli\u003e\n\u003cem\u003e5ml cap:\u003c\/em\u003e Height 2×0.9 cm | Outer Ø 1.7 cm | Inner Ø 1.4 cm\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReusable \u0026amp; Durable:\u003c\/strong\u003e Flexible yet resilient — these caps can be removed and reapplied repeatedly without losing their seal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulticolor Pack:\u003c\/strong\u003e Fun assorted colors make it easy to identify different vials at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDust \u0026amp; Contamination Protection:\u003c\/strong\u003e Acts as a protective dust plug to keep the mouth of your vials clean between uses.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 12:\u003c\/strong\u003e Generous quantity to cover multiple vials in your collection or kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Perfect for travel bottle sets, lab sample vials, essential oil vials, nail art, and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTPU (Thermoplastic Polyurethane) Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulticolor (assorted)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3ml \u0026amp; 5ml vials\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 pcs per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFood Grade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAirtight, Leak-Proof, Dust Plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cp\u003e12 × Glass Vial Protective Caps (size\/color assortment as selected)\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-cute-cartoon-bee-shaped-coin-purse-and-travel-bag-perfect-for-storing-coins-headphones-and-keys-earphone-storage-bag\"\u003eCompact Travel Storage Bag – Great for Keeping Small Accessories Organized\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003ePortable Storage Box with Lid – Ideal for Organizing Small Items On the Go\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/2pcs-jewelry-organizer-velvet-jewelry-storage-tray-ring-showcase-drawer-organizer-trays-earring-storage-box-small-drawer-lining\"\u003eVelvet Jewelry Storage Tray – Perfect for Storing Small Vials \u0026amp; Accessories\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.ready.gov\/kit\" target=\"_blank\" rel=\"noopener\"\u003eReady.gov emergency supply guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What vial sizes do these reusable leak-proof caps fit?\u003c\/h4\u003e\n\u003cp\u003eA: These vial caps are designed for small glass vials — specifically 3ml and 5ml sizes. The 3ml cap has an inner diameter of 2.1 cm, and the 5ml cap has an inner diameter of 1.4 cm. Always check your vial's rim diameter against these measurements before ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these vial caps safe for use with essential oils and food-contact liquids?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! These caps are made from food-grade TPU plastic, which is safe for use with essential oils, liquid samples, and other food-contact applications. They contain no high-concern chemicals.\u003c\/p\u003e\n\u003ch4\u003eQ: Can these caps be reused multiple times?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The flexible TPU material is designed for repeated use — simply press the cap onto your vial for an airtight seal, and peel it off whenever you need access. They retain their sealing properties through many uses.\u003c\/p\u003e\n\u003ch4\u003eQ: Do these caps work as dust plugs when vials are in storage?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! In addition to providing a leak-proof seal, these caps function as effective dust plugs, keeping the opening of your vials protected from dust and contaminants during storage.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What vial sizes do these reusable leak-proof caps fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These vial caps are designed for small glass vials — specifically 3ml and 5ml sizes. The 3ml cap has an inner diameter of 2.1 cm, and the 5ml cap has an inner diameter of 1.4 cm. Always check your vial's rim diameter against these measurements before ordering.\"}}, {\"@type\": \"Question\", \"name\": \"Are these vial caps safe for use with essential oils and food-contact liquids?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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In addition to providing a leak-proof seal, these caps function as effective dust plugs, keeping the opening of your vials protected from dust and contaminants during storage.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"12Pcs Reusable Leak-Proof Vial Caps for 3ml \u0026 5ml Glass Bottles\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/12pcs-reusable-leak-proof-vial-caps-glass-bottles-airtight-stopper\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"3ML-12pcs","offer_id":67610889257059,"sku":"1005010157872720-3ML-12pcs","price":14.74,"currency_code":"USD","in_stock":true},{"title":"5ML-12pcs","offer_id":67610889289827,"sku":"1005010157872720-5ML-12pcs","price":14.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/2047\/6003\/files\/S1f9d4e069b3441b79414eee8b8320fbdw.webp?v=1790797278","url":"https:\/\/nixiehaven.com\/products\/12pcs-reusable-leak-proof-vial-caps-glass-bottles-airtight-stopper","provider":"Nixie","version":"1.0","type":"link"}