Straw cap that is compatible with all Yeti Rambler insulated vacuum bottle sizes. Flip the cap open, sip, and close tight while on the go. Leak resistant with a wide straw opening to get more drink with every sip. Features a TripleHaul handle making it easy to carry. Not designed for use with hot or carbonated beverages. Cap fits all bottle sizes, straw will need to be cut according to bottle size: 18 Oz. - 6-5/8 In., 26 Oz. - 7-1/4 In., 36 Oz. - 7-7/8 In.