This non-toxic and non-caustic product is reusable and is perfect for keeping food fresh and storing and transporting foods at low temperatures. Freeze for 12 hours before using. Inner packing: Packed in PE and nylon Dimensions: 13 x 9cm N.W.: 100g Outer packing: Dimensions: 33 x 26.5 x 24cm N.W.: 10kg G.W.: 13.5kg