Harley-Davidson Skull Tall Boy Travel Latte, 3TBT4906. Whether youre off on vacation or just off to work, the Tall Boy Travel cup will always be ready, keeping your hot drinks hot and your cold drinks cold. These mugs have a spill-proof plastic lid with silicone ring. They make great gifts for family and friends! Cups fit into the cup holders of most vehicles. Holds 21 oz. and is dishwasher safe on the top rack. Also microwave safe. Packaged in matching attractive gift box. Size: 5.25 W x 3.5 x 6.25 H.