Double Wall Frosted Gel Freezer Mugs 16 oz - Set of 4 - Red, Orange, Blue, Green, By Zaggit Set of four double walled mugs Includes one red, orange, green and blue mug Mugs each hold up to 16 ounces of liquid Place mugs in the freezer for up to 4 hours to keep drinks extra cold Approximate dimensions are 4.75" x 3.5" x 6"