Durable, reusable tumbler with advanced temperature retention. Made with food-grade 304 stainless steel, BPA Free, Dishwasher Safe Holds 20 ounces of cold or hot liquid for staying hydrated throughout your day. 24 hours of cold retention & 4 hours of hot retention Durable, clear gloss-coated finish exterior with Built-in rubber coaster on the bottom Double-wall, vacuum-insulated design with a copper lining. Sweatproof exterior so tumbler isn’t slippery & hands stay dry Flip up lid with Built-in Sipper Straw. Swing Up, Tuck Tight Handle