10 ounce insulated, stainless-steel tumbler with splash-resistant lid. SmoothSip spout is amazingly comfortable to drink from. Double-wall insulation keeps drinks hot for 6 hours and cold for up to 24 hours. Strawless spout is splash-resistant lid to keep drinks from spilling. BPA, lead, and phthalate-free. Hand wash cup dishwasher-safe lid—manufacturer’s limited lifetime warranty.