Come and see our amazing products. Thermoplastic material that is recyclable. Advanced thermoplastic holds heat longer than traditional hot water bottles with cover, also works as an ice pack, or cold water bottle. It's transparent. No more guesswork about how much hot water is inside. This hot water bag can prevent you from scald by hot water. Great for assisted living facilities too! Pls confirm with us about the packing info, stock color and exact production time before placing your order.