Lily's Home Beer Mug with Freezing Gel. 17 Oz. (4) Keep your drink cold and refreshing with these double walled mugs Filled with freezable "crackle ice"gel Mugs hold up to 17 ounces of liquid and made of a PBA Free acrylic material Place mugs in the freezer for up to 4 hours to keep drinks extra cold Mugs measure approximate 5" x 6-1/4" x 3-1/2". Hand wash