Zak! Designs Insulated Travel Mug with Classic  Batman Graphics, Spill-proof, BPA-free Plastic, 15 oz. Enjoy a beverage on the go with your favorite Warner Bros. superhero, Batman 15-ounce double-wall insulated travel tumbler keeps hot drinks hot and cold drinks cold Spill-proof, flip-top lid keeps your drink in its place, will fit in most car cup-holders Heavy duty double wall insulation prevents condensation; from the Cruise tumbler collection by Zak Designs Made of BPA-free plastic; dishwasher safe, do not microwave