Material: PE + Ice Crystal Blend Size: 16*11*1.5cm Quantity: 5pcs Colour:blue Package Contents: 15* Can be used repeatedly at low temperature refrigerated ice crystal box 1.PREMIUM SAFE MATERIALS: The refrigeration case is made of food-grade durable plastic. Interior elements FOOD SAFE, ideal for passive cool boxes or electric cool boxes 2.DIMENSIONS: The maximum capacity of each ice cube tray is 200ml. Its overall dimensions are 16*11*1.5cm 3.VERSATILE: In combination with cool boxes or cool bags, the cool packs can be used to transport food, drinks and medicines will 4. PRACTICAL IN EVERYDAY LIFE: Thanks to the long cooling performance, a cool box or cool bag only has to be equipped with a small number of flat cooling elements 5.FOOD SAFE: In combination with cool boxes or cool bags, medicine can be transported in addition to food and drinks