Rabbit freezable whiskey glasses chills whiskey with no dilution. Glasses feature a cooling pack which keeps whiskey cold for hours- no ice needed. Product includes a set of 2 glasses, each glass holds 8 ounces. The silicone sleeve protects hands from the cold. The glasses are great for sipping whiskey, white wine, or cocktails. To use, place freezable whiskey glasses in the freezer for 4 hours. Pour whiskey into glass and enjoy the instant chill. To clean, remove silicone sleeve and cooling pack from glass. Glass is top rack dishwasher safe. Cooling disc is hand washable only.