Double-wall, vacuum insulated, 18/8 stainless steel, is copper lined and powder coated. Keeps drinks cold for up to 24 hours and keeps drinks hot for up to 12 hours. Comes with a Bamboo lid. Free of Single Use Plastics. Laser: (Laser Standard): 2 1/2"w x 2 3/4"h; (Laser Max): 3 1/2"w x 4"h. Stainless Steel will have a Medium Gray Tone. All other colors, Light Silver Tone. Full Color: (Full Color Small): 2 1/2"w X 2 1/4"h; (Full Color Large): 4"w X 2 3/4"h; (Full Color 2 Side): 2 1/2"w X 2 1/4"h.