20 oz double-walled travel coffee, tea, or water tumbler features a BPA-free plastic slide open vacuum sealed lid. Made from stainless steel with painted decals. To best preserve the complete wrap around decal, hand washing is recommended. Do not leave soaking in water for an extended period of time. Wash with the soft side of the sponge. This drinking glass is not microwave safe. Keeps liquids hot or cold for 6 to 12 hours. Comes packaged in a protective die-cut box.