Mugzie brand travel mugs combine the excellent insulation and water-proof properties of neoprene wetsuit material and the usefulness of a spill-proof, stainless steel travel mug. The Mugzies unique, hand-sewn fabric cover is made from 1/4 inch closed-cell neoprene that is covered with soft, water-proof polyester fabric. The stain-resistant cover is printed in hi-resolution and has full-wrap coverage. The Mugzie has excellent insulating properties to keep beverages hot or cold. The cushioned cover affords a secure grip and eliminates condensation and sweating. Mugzie travel mug fits in most car cup holders and the counter-weighted bottom provides stability. Use it for both hot and cold beverages. Hand Wash.