This uniquely designed gorgeous drinking bottle is made of the highest quality and eco friendly materials of silicone. The food grade Silicone body is 100% BPA free, non toxic and FDA/ SGS/ LFGB/ CE approved. Unfolded, the water bottle is large (7.6" H x 2.36" Dia.) and can contain up to 21 Oz of liquid, but can easily be folded to a size of only 3.9" x 3.9" make it your perfect travel or gym buddy!