Description Enhance laboratory organization and safety with protective vial caps designed for glass vials. The airtight vial caps offer leakproof sealing, making them perfect for vials, peptides storage, and science projects. Enjoy dustproof vial covers in multiple vibrant colors for easy classification and fast identification in busy clinical or home environments. Features -Color:Assorted Color -Material:TPR -Size:2.80X2.80X1.00cm/1.10X1.10X0.39in -Secure Sealing for 5ml Vials: The high density design of our glass vial caps ensures airtight protection for 5ml vials, effectively guarding contents against evaporation -Colorful Organization System: Equipped with six vibrant colors, these glass vials protective vial caps make classifying and organizing peptides or medicines easy, providing quick identification for laboratory or home use -Heavy-Duty Laboratory Use: These reusable vial caps are made for repeated use in science projects or labs, providing robust dustproof and leakproof protection for glass bottles in demanding environments -Easy Cleaning and Maintenance: Each protective vial cap is crafted from practical material, allowing easy rinsing with water for fast, hygienic reuse and supporting rigorous laboratory cleanliness protocols -Efficient Bulk Storage Solution: The dustproof vial covers meets professional needs for batch storage and transport, streamlining workflows in clinics, research facilities, and home pharmacies Package list: 12 x protective caps