Straw Cap fits 16oz and 25oz Corkcicle Canteen, and even our smaller 9oz. Just cut the to desired length, screw on, and enjoy.

*Straw Cap comes with two attachable straw pieces. Keep one as a backup for your 16oz or 25oz Canteen or cut it to desired length for 9oz. Sold separately from all Corkcicle Canteens.