{"product_id":"12-pack-reusable-glass-vial-caps-leak-proof-tpu-stopper-lids","title":"12-Pack Reusable Glass Vial Caps – Leak-Proof TPU Stopper Lids","description":"\n\u003ch2\u003eKeep Your Glass Vials Sealed, Safe \u0026amp; Dust-Free\u003c\/h2\u003e\n\u003cp\u003eWhether you're storing essential oils, lab samples, craft glitter, spices, or travel liquids, these \u003cstrong\u003eTPU Vial Caps\u003c\/strong\u003e deliver a reliable airtight seal every time. Designed to fit standard 3ml and 5ml glass vials, this handy 12-pack ensures you always have a spare on hand. Flexible, food-grade TPU material stretches snugly over the vial mouth for a secure, leak-proof, dust-resistant fit — no more spills or contamination.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love These Vial Caps\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeak-Proof \u0026amp; Airtight:\u003c\/strong\u003e Flexible TPU forms a tight seal to prevent spills and keep contents fresh.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDust-Resistant:\u003c\/strong\u003e Keeps airborne particles, debris, and contaminants out of your vials.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReusable \u0026amp; Durable:\u003c\/strong\u003e High-quality TPU material withstands repeated use without cracking or losing shape.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFood-Grade Material:\u003c\/strong\u003e Safe for use with food, cosmetics, and essential oils — no harmful chemicals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulticolor Pack:\u003c\/strong\u003e Easy color-coding for quick identification of vial contents.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Fit:\u003c\/strong\u003e Available for 3ml and 5ml glass vials; inner diameter options to suit standard vial openings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Travel-Ready:\u003c\/strong\u003e Lightweight and easy to pack for travel, lab, or craft use.\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 TPU (Thermoplastic Polyurethane)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity Compatibility:\u003c\/strong\u003e 3ml \u0026amp; 5ml glass vials\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5ml Cap Size:\u003c\/strong\u003e 3 × 1 cm (1.18 × 0.39 in) | Outer Ø: 2.5 cm | Inner Ø: 2.1 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3ml Cap Size:\u003c\/strong\u003e 2 × 0.9 cm (0.79 × 0.35 in) | Outer Ø: 1.7 cm | Inner Ø: 1.4 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Multicolor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 12 caps per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e12 × Glass Vial Protective Caps (TPU)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEssential oil vial storage\u003c\/li\u003e\n  \u003cli\u003eLab sample containment\u003c\/li\u003e\n  \u003cli\u003eCraft, glitter \u0026amp; resin projects\u003c\/li\u003e\n  \u003cli\u003eTravel liquid organization\u003c\/li\u003e\n  \u003cli\u003eSpice \u0026amp; seasoning mini bottles\u003c\/li\u003e\n  \u003cli\u003eJewelry \u0026amp; bead storage vials\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2l-watering-can-long-spout-removable-nozzle\"\u003e1.2L Watering Can – Long Spout, Stainless Steel \u0026amp; Removable Nozzle\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-5mm-mini-pocket-gel-pen-quick-dry-waterproof-10-refills\"\u003e0.5mm Mini Pocket Gel Pen – Quick Dry, Waterproof \u0026amp; 10 Refills\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-100mm-tiny-digital-vernier-caliper-portable-measuring-tool\"\u003e0–100mm Tiny Digital Vernier Caliper | Portable Measuring Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general guidance on safe food-contact and storage materials, visit the FDA's Food Contact Substances page.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Bottle_cap\" target=\"_blank\" rel=\"noopener\"\u003eBottle cap\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What size glass vials do these caps fit?\u003c\/h4\u003e\n\u003cp\u003eA: These TPU vial caps are designed to fit standard 3ml and 5ml glass vials. The 5ml cap has an inner diameter of 2.1 cm (0.83 in), while the 3ml cap has an inner diameter of 1.4 cm (0.55 in). Always check your vial's opening diameter before ordering to ensure a snug fit.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these vial caps safe for use with essential oils and food items?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! These caps are made from food-grade TPU (Thermoplastic Polyurethane), which is free from high-concern chemicals and safe for contact with essential oils, cosmetics, and food-grade contents.\u003c\/p\u003e\n\u003ch4\u003eQ: Are the vial caps reusable?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The flexible TPU material is highly durable and designed for repeated use. Simply rinse clean and reapply — they won't crack or lose their sealing ability with regular use.\u003c\/p\u003e\n\u003ch4\u003eQ: How many caps come in a pack?\u003c\/h4\u003e\n\u003cp\u003eA: Each pack contains 12 vial caps in assorted colors, making it easy to color-code your vials for quick identification.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What size glass vials do these caps fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These TPU vial caps are designed to fit standard 3ml and 5ml glass vials. The 5ml cap has an inner diameter of 2.1 cm (0.83 in), while the 3ml cap has an inner diameter of 1.4 cm (0.55 in). Always check your vial's opening diameter before ordering to ensure a snug fit.\"}}, {\"@type\": \"Question\", \"name\": \"Are these vial caps safe for use with essential oils and food items?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! These caps are made from food-grade TPU (Thermoplastic Polyurethane), which is free from high-concern chemicals and safe for contact with essential oils, cosmetics, and food-grade contents.\"}}, {\"@type\": \"Question\", \"name\": \"Are the vial caps reusable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The flexible TPU material is highly durable and designed for repeated use. Simply rinse clean and reapply — they won't crack or lose their sealing ability with regular use.\"}}, {\"@type\": \"Question\", \"name\": \"How many caps come in a pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each pack contains 12 vial caps in assorted colors, making it easy to color-code your vials for quick identification.\"}}]}\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:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Food Storage \u0026 Containers\", \"item\": \"https:\/\/oasis-select.com\/collections\/food-storage-containers\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"12-Pack Reusable Glass Vial Caps – Leak-Proof TPU Stopper Lids\", \"item\": \"https:\/\/oasis-select.com\/products\/12-pack-reusable-glass-vial-caps-leak-proof-tpu-stopper-lids\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"5ML-12pcs","offer_id":47755231101033,"sku":"14:175#5ML-12pcs","price":10.89,"currency_code":"USD","in_stock":true},{"title":"3ML-12pcs","offer_id":47755231133801,"sku":"14:193#3ML-12pcs","price":10.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Sd9aa606833324eb9b38a33883bf3a2387.webp?v=1783267714","url":"https:\/\/oasis-select.com\/products\/12-pack-reusable-glass-vial-caps-leak-proof-tpu-stopper-lids","provider":"Oasis Select","version":"1.0","type":"link"}