Zak Designs Planet Zak 16 oz coffee mug, Darth Vader 16 oz. Insultated Travel Tumbler with Liquid Lock Slide lid keeps contents warm and inside the cup while on the go; featuring Classic Darth Vader graphics 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