Redesigned cap and bite valve provide faster flow and enhanced durability. Flip, Bite and Sip. No tipping required (though possible: just remove the straw) Dishwasher Safe: All parts are top-rack dishwasher safe. Easy to carry: Integrated loop handle makes it easy to clip a carabiner or carry with the crook of a finger. Wide-mouth opening is easy to fill with ice and water and a breeze to clean.