Zak! Designs Insulated Travel Tumbler featuring DC Comics Batman Graphics, BPA-free and Break-resistant Plastic, Double Wall Construction and Leak-proof Slide Lid, 16 oz. Capacity 16 oz. Insultated Travel Tumbler with Liquid Lock Slide lid keeps contents warm and inside the cup while on the go; featuring Batman graphics from DC Comics Doublewall construction keeps exterior cool to the touch while contents stays warmer longer Liquid Lock Slide Lid is leak-proof when closed; slide lid has one-hand operation for easy use while on the go BPA-free, Break-resistant Plastic; Tumbler fits in most car cup holders and single serve brewers Handwashing is recommended for tumbler; lid disassmebles for easy cleaning and can be washed in dishwasher; do not microwave