Mugzie 16-Ounce Tumbler Drink Cup with Removable Insulated Wetsuit Cover - Sun Glasses Emoji Mugzie tumblers are a combination of a BPA-Free and Melamine-Free, two color, acrylic cup and the excellent insulating and water proof properties of neoprene wetsuit material. The  hand sewn cushioned cover provides a secure grip and eliminates condensation and sweating. No more rings on your furniture, no more cold and wet hands. No more napkins or coasters. Tumblers are easily disassembled for cleaning by un-screwing the bottom cap. Cup is dishwasher safe. Wetsuit cover is water and stain resistant. Light stains and liquids wipe right off. If needed, cover is machine washable and dryer safe. Replacement covers can be purchased separately and are available in over 600 designs. Easily change the look of your Mugzie. Patent Pending.