Insulin Pen Medical Cooler Bag Drugs Diabetic Insulin Case Cooling Storage Protector Pill Box Termica Aluminum Foil Ice Bag|Cooler Bags Function: heat preservation and cold preservation Material: Oxford Colour: Black Size: 20.5*9.5*7cm Material: Waterproof Oxford cloth+EVA+environmental protection aluminum foil Liner material: waterproof Oxford cloth + 3mm pearl cotton + environmental protection aluminum foil feature: 4-24 degrees Celsius temperature display High quality tin foil thermal conductive layer Portable storage of insulin for travel. Application: Storage of biological products such as insulin and plasma. The color of the website photos is slightly different from that of the actual product. Items are measured manually, there may be a difference of 1 cm