SIGG Tritan Adapter Transparent (One Size), Screw Cap Adaptor for Wide Neck Bottles, Leak Proof WMB and Hero Water Bottle

Compatible design: With this specially designed bottle adapter made of Tritan, any screw cap for narrow mouth bottles can be used on any SIGG wide mouth bottle. Practical bottle adaptor: The dishwasher-safe screw top is designed for use with all SIGG bottles with a wide mouth, instantly transforming them into narrow neck bottles. Leak-proof bottle cap: Thanks to the hygienic and practical bottle cap adaptor, the SIGG bottle will be fully leak-proof and suitable for use on the go. Safe drinking: The Tritan screw top adaptor is entirely BPA-free and does not contain any harmful pollutants such as oestrogenic substances and phthalates. Delivery & details: SIGG spare part for water bottles with wide neck, leak-proof screw cap adaptor, dishwasher-safe, pollutant-and BPA-free, Swiss Design, item number: 8629.80