Insulin Pen Case Pouch Cooler Travel Diabetic Pocket Cooling Bag mall AU StockDescription Made from high quality oxford fabric which is durable, waterproof and wear resistant. Lining is made of durable aluminum foil which has great insulation effect. Can maintain a temperature ranging from 2 to 24 for about 12 hours in summer and around 24 hours in spring or autumn. 2 mesh pockets can be used for holding other stuff unimportant, 2 small pockets in the middle of liner can hold insulin while 2 side pockets are meant to hold ice