Bottle Caps 50Pcs Bottle Cover Reusable Stoppers Resin Wire Plastic Caps Lab-Ware Cap for Daily Chemicals Food Cosmetic Bottles

-Color:Black-Material:Resin, Plastic-Size:4.00X4.00X1.50cm/1.57X1.57X0.59in50 × Poly Screw CapsNotes: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.

• Exceptional airtight seal: These caps are engineered to provide an exceptionally tight seal, preventing leakage and maintaining the integrity of the bottle's contents
• Material: Constructed from good material, these caps can endure fermentation pressures and exposure to different chemical substances. Their stability makes them suitable for rigorous applications in industrial settings
• Carbonation and gas retention: Specifically designed to keep liquids sealed within the bottle, these caps prevent liquid leakage and effectively retain carbonation and gas, preserving the freshness and quality of the contents for extended periods
• Easy to use:Just insert the cone into the sealing area to create a tight closure to prevent liquid leakage, carbonation and gas leakage, to provide a good closure and air-tight seal to keep beer fresher, with coated liner to prevent rust and provide a better seal
• Wide application:It is widely used for sealing soft and hard packaging of bottles and hoses of various household chemicals, food, cosmetics, medicines, etc