This Diabetic Cooler Insulin pen case is lined with foam and Aluminum foil to provides a thermal insulating barrier, Portable carry anywhere for complete peace of mind,Velcro straps can attach to a backpack, stroller, belt, etc. No Ice Pack: Please knidly note that it does NOT come with ice packs, this keeps medication cool for almost 6-8 hours. Hands Free: Portable carry anywhere for complete peace of mind,Velcro straps can attach to a backpack, stroller, belt, etc. Durable: Diabetic Cooler case is made of durable denim fabric and aluminum foil that provides a thermal insulating barrier to keep cool. Storage: Insulated cooler bag has pockets to store your Insulin Pen, Test Strips, Medications, Vials, and Ice Packs safely.Fits in one hand and easily fit in your luggage that work great for shorter trips.