* Expanded polymer foam is virtually indestructible * Withstands temperatures between -321 - 200§F (-196§ to 93§C) * Constructed of expanded polymer foam * The 4 liter capacity is ideal for keeping small readymade ice packs close at hand * Lightweight and easy to transport  the ice bucket is virtually indestructible  impervious to moisture and odor and will not sweat * 8 1/2  opening at top x 6 3/5  high (21.5 x 17 cm)  bottom tapers to 6 3/10  (16 cm) at the base *