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

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 set up to be 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