SIGG Active Spout Screw Cap (One Size), Spare Part for Water Bottle with a Narrow Opening, Leak Proof & Easy to Use Cap, Grey

IDEAL SPARE: This sports screw top is ideal as a spare part for all SIGG sports bottles with a narrow opening or WMB adaptor. It is also easy to clean. EASY TO USE: The mouth piece of the silicone cap can simply be opened and closed using the mouth, making the bottle it is used with ideal for sporty activities. LEAK-PROOF CAP: With this practical screw cap, the sport bottle will be guaranteed leak-proof, making it ideal for the gym or for outdoor activities. SAFE DRINKING: The screw cap is made of materials that are entirely BPA-free and does not contain any pollutants such as phthalates or oestrogenic substances. DELIVERY & DETAILS: SIGG water bottle cap replacement, leak-proof cap, dishwasher-safe, pollutant- and BPA-free, Swiss Design, item number: 8638.10