Mugzie brand Cocktail Shakers combine the excellent insulation and water-proof properties of neoprene wetsuit material and the beauty of a stainless steel Cocktail Shaker. The Mugzie’s 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 Cocktail Shaker features a built-in ice strainer as well as a removable lid. The counter-weighted bottom provides stability. Use it for both hot and cold beverages. 20 Ounce Capacity. Features spill-proof removable lid and and a non-skid bottom. Hand Wash. Made in the U.S.A. Patented.