For Quick Hydration, The Flip Gulp’S Button Activated, Fully Covered, High Flow Mouthpiece Gets The Job Done. with It's Stylish, Yet Simple Design, Cleaning Is Easy Since Gunk Has Fewer Parts and Pieces To Hide In. Soft-Touch Carrying Loop Folds So It Can Stowaway In Your Lunch Bag Or Backpack. 8.2 x 7.4 x 18.2 cm (L x W x H)