13mm /20mm Glass Vials Protective Caps, Reusable Silicone Vial Caps for Glass Bottle ,Leak Resistant Cover Fit 1 ml 2 ml 3 ml Vial, 6 Color,12pcs

Package Includes: 12pcs 6 different colored caps, compatible with 13mm neck vials

Material: Leak resistant vial caps made of silicone, long-lasting durability

Leak-Proof Seal: Tight-fitting design creates a reliable barrier, effectively preventing liquid leakage, evaporation, and dust to ensure liquid safety

Easy to Recognize: Vibrant 6-color cap design with distinct hues for convenient storage and quick recognition,improve your operational efficiency

Easy Cleaning: Reusable silicone vial caps simply rinse with water after each use

13 mm silicone cap for 1 ml ,2 ml, 3 ml vials

20 mm silicone cap for 5 ml,7 ml,10 ml,15 ml,20 ml,30 ml,50 ml,100ml ect

 Tight-Fitting Seal Lids keep your glass bottles clean, sealed, and ready for reuse. Designed for opened but partially used vials