Keeps items hot, cold - and frozen up to 3 hours (Actual time varies depending upon amount of items inside the bag as well as temperature and sunlight conditions outside of the bag). Waterproof. Washable. Sturdy. Holds up to 30 lbs. www.hotcoldbags. Recyclable. Reusable. Food safe. No ice needed. Free of BPA, lead, cadmium, and all other toxic metals. Made in Germany.