Food grade 304 stainless steel, with good corrosion resistance, heat resistance Paint on the cup body stays longer than other cups, as it adopts environmental friendly paint Food grade PP plastic and rubber material, sealing rubber ring prevents water leaking Plastic at the bottom of the vacuum mug, prevents it from falling 1.double wall, stainless steel 304 inner, 201outer, keep warm & cold. 2. Customized glitter painting. 3. rotating seal lid with metal top. 4. BPA free, FDA/LFGB.