Vesture 5" X 7" Microcore Hot and Cold Pack for Heating or Cooling - Durable and Stays Hot or Cold for Several Hours

1 count Vesture 5"x7" 20 Oz Microcore hot and cold pack. Can be easily heated in your microwave or cooled in your refrigerator or freezer for continued heating or cooling. Distributes the heat or cold evenly and can be placed in any type of container for continued heating or cooling. Due to Vesture's MicroCore Technology, this pack is safer than gel. Extremely durable and flexible outer film can withstand over one ton of pressure.