28 Oz, BPA Free, Flatten It - Fold It - Fill It. Includes Push/Pull Cap With Removable Cover, Includes Metal Carabiner, Great On The Environment, Lightweight, Reusable. US Patent # D639, 185S. Size: 9 3/4 H x 5 1/2 Diameter flat or 9 3/4 H x 4 1/4 Diameter filled. White cap only.