24 Pcs 3ml Glass Vial Protective Caps 8 Colors Silicone Leakproof Dustproof Reusable Lids Covers for Injection Peptide Vials Essential Oil Storage Lab Use 

Reusable & Easy-Clean: Made from premium, chemically stable, corrosion-resistant silicone that withstands high-temperature washing and repeated use without aging or deforming. The tight-fit design prevents leaks, evaporation and dust ingress, keeping essential oils, fragrances and liquid samples pure. Premium Material: These 3 ml vial caps are molded from flexible, resisitant food-grade silicone. They won’t crack, fade or lose elasticity, and can be cleaned in seconds for endless re-use. 8-Color Coding System: Choose from eight bright colors (purple, white, orange, blue, pink, red, yellow, black)—three caps of each for 24 total. Color-code by date, ingredient or priority to boost lab, clinic or studio organization and safety. One-Hand Working: Simply press to seal, pinch to remove. Single-button application and release make frequent access effortless; rinse and air-dry for zero-maintenance upkeep. Multi-Scene Compatibility: Perfect fit for standard 3 ml ampoules and sample vials. Ideal for reagents, model paints, cosmetics, medicines and more—great for research, dispensing, DIY crafts or home medicine cabinets.