{"product_id":"caplugs-300-3918-ty20-mst-tethered-recessed-cryo-vial-hdpe-yellow","title":"Vial Caps, Tethered HDPE — 5 Colors, 200\/Bag | Caplugs® Evergreen","description":"\u003ch1\u003eCaplugs® Evergreen Tethered Vial Caps, HDPE, 5 Colors — 200\/Bag\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eCaplugs® Evergreen Tethered Vial Caps\u003c\/strong\u003e are molded HDPE closures with an integrated leash that keeps caps attached to the vial during open-handling, eliminating lost lids and mismatched closures. Ideal for sample aliquoting, color-coded specimen tracking, and high-throughput benchwork where caps are repeatedly opened and reclosed at the bench.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTethered Vial Caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003eStandard vial closure (fits 300-series Evergreen vials)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-Density Polyethylene (HDPE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eTethered (leash-attached) snap cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-sterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e200 caps per bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Colors\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003ctd\u003e300-3918-TY20\u003c\/td\u003e\n\u003ctd\u003e$18.73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003e300-3918-TW20\u003c\/td\u003e\n\u003ctd\u003e$18.73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLavender\u003c\/td\u003e\n\u003ctd\u003e300-3918-TL20\u003c\/td\u003e\n\u003ctd\u003e$18.73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003e300-3918-TG20\u003c\/td\u003e\n\u003ctd\u003e$18.73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003ctd\u003e300-3918-TE20\u003c\/td\u003e\n\u003ctd\u003e$18.73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eColor-coding patient or study samples across multiple sample sets\u003c\/li\u003e\n\u003cli\u003eAliquoting reagents and standards into labeled storage vials\u003c\/li\u003e\n\u003cli\u003eSpecimen banking where caps are opened and reclosed repeatedly\u003c\/li\u003e\n\u003cli\u003eSorting workflows by collection date, technician, or assay panel\u003c\/li\u003e\n\u003cli\u003ePreventing cross-contamination from misplaced or swapped lids\u003c\/li\u003e\n\u003cli\u003eCold-chain and freezer storage with secure tethered closure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003elabsupplies.com is an authorized Caplugs® Evergreen dealer shipping from US inventory. Each bag carries a lot number to support traceability requirements for CAP-, CLIA-, and ISO 15189-accredited laboratories. These caps are made in the USA. Institutional and grant-funded tiered pricing is available — contact our procurement desk for volume quotes across all five colors.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDo these caps stay attached to the vial?\u003c\/h3\u003e\n\u003cp\u003eYes. Each cap has an integrated tether (leash) that keeps it joined to the vial during handling, preventing dropped or swapped lids while leaving the opening fully accessible.\u003c\/p\u003e\n\u003ch3\u003eWhat material are the caps molded from?\u003c\/h3\u003e\n\u003cp\u003eThey are molded from high-density polyethylene (HDPE), a chemically stable polymer well suited to aqueous samples and standard freezer storage.\u003c\/p\u003e\n\u003ch3\u003eAre the caps supplied sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. These caps are supplied non-sterile and packaged 200 per bag. Validate any required cleaning or sterilization method against your internal protocols before use.\u003c\/p\u003e\n\u003ch3\u003eCan I order multiple colors for color-coding?\u003c\/h3\u003e\n\u003cp\u003eYes. Five colors are available — Yellow, White, Lavender, Green, and Orange — each as a separate 200\/bag SKU, enabling visual sorting by study, date, or workflow.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Caplugs® Evergreen Tethered Vial Caps, HDPE, 5 Colors, 200\/Bag\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Caplugs® Evergreen\"},\n  \"material\": \"HDPE\",\n  \"sku\": [\"300-3918-TY20\",\"300-3918-TW20\",\"300-3918-TL20\",\"300-3918-TG20\",\"300-3918-TE20\"],\n  \"offers\": {\n    \"@type\": \"AggregateOffer\",\n    \"priceCurrency\": \"USD\",\n    \"lowPrice\": \"18.73\",\n    \"highPrice\": \"18.73\",\n    \"offerCount\": 5,\n    \"availability\": \"https:\/\/schema.org\/InStock\"\n  }\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\", \"name\": \"Do these caps stay attached to the vial?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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