This 4.5" mug is made of powder-coated 18/8 stainless steel with a double-wall vacuum insulated copper lining and holds 12 oz. Copper-lining keeps drinks cold for up to 24 hours and keeps drinks hot for up to 12 hours. The design features a clear press on lid. It will maintain the temperature of hot drinks for eight hours or cold for as many as 24. Laser Engraving: (Laser Small): 1"w x 1 3/4"h (Laser Standard): 2"w x 1 3/4"h (Laser Max): 6 1/2"w x 1 1/2"h. Complies with Prop 65. 4 1/2" H

Colors: Light Blue, Lime Green, Navy Blue, Red, Silver, Black, White

Sizes: 4 1/2" H