Medical Use Ice Bag 1.Size:6",9",11",13" 2.Material:Fabric and PVC 3.Different color 4.Medical use Medical Use Ice Bag/Pack It is for medical use, the main function is that defervescence for human body,antiphlogistic, acesodyne, physiotherapy skin care. it can make cooler in the summer and when somebody had a heat or get a headache, you can use it in the head . Can be long-term preservation, ...