No refrigerator? No Problem! You can keep your Insulin at a safe temperature with Insulin coolers or wallets for several hours at a time. Insulin coolers and wallets are perfect for those that like to travel or find themselves away from home for long hours. At My Diabetics World, we offer a wide variety of insulin coolers in many sizes to meet your needs. You will find that we have products designed for short-term cooling solutions to permanent - and everything in between.