16PCS 3ml Vial Caps for Glass Vials, Silicone Protective Cover for Injection/Peptide 3ml, Reusable Vial Lids Leak-Proof, Dust-Resistant - 10 Colors

Palksky 12 Pack 3ml Glass Vials Caps

• 💪 Superior Silicone Performance: Crafted from premium food-grade silicone, Palksky vial caps outperforms traditional plastic or rubber alternatives with exceptional flexibility, temperature resistance (-40°C to 230°C), and long-term durability. Unlike rigid materials that crack or degrade, its soft, non-toxic silicone forms a tighter, adaptive seal while remaining gentle on hands and lab surfaces, ensuring safe, repeated use without compromising structural integrity.
• 🎯 Precision Fit for 0.8-inch 3ml Bottles: Engineered with meticulous dimensional accuracy, this vial caps is exclusively tailored to 0.8-inch diameter (20mm) 3ml bottles—eliminating the frustration of ill-fitting lids. Its snug, contoured design hugs bottle necks seamlessly, preventing wobbling or misalignment during storage or transport, making it the ideal companion for standard small-volume containers in scientific, cosmetic, or DIY applications.
• 🔒 Triple-Seal Protection - Leakproof, Dustproof, Volatile-Resistant: Featuring silicone seal, this vial caps creates an impenetrable barrier against leaks, dust, and volatile substance evaporation. Whether storing solvents, essential oils, or reagents, it locks in contents securely, even when bottles are inverted or jostled, ensuring sample purity and preventing costly spills or hazardous exposure.
• 🌈 10-Color Coding System for Instant Identification: Equipped with 10 vibrant, fade-resistant color options (red, blue, green, yellow, purple, orange, black, white, gray, pink), this vial caps simplifies organization by enabling quick visual categorization of bottle contents. Perfect for distinguishing reagents, pH levels, expiration dates, or user-specific samples, it reduces errors in fast-paced lab environments and streamlines workflow efficiency.
• ✇ Versatile for Home Labs, Schools, and Beyond: Designed for universal utility, this vial caps transitions effortlessly between home chemistry experiments, educational classrooms, essential oil storage, DIY beauty formulations, and professional lab settings. Its chemical-resistant silicone withstands common solvents, acids, and bases, while its compact size and stackable design save space—making it a must-have tool for hobbyists, students, and researchers alike.