Dr Trust Hot and Cold Pack with Wrap for Foot -325. It is helpful to relieve foot injury pain with no mess and hassle! The non-toxic reusable gel pack is easy to apply and can be placed in a refrigerator or microwave or hot water for instant use. The pack is easy to attach with the foot wrap for hands-free use. Use a cold pack to reduce aches and swelling without taking pills. While heat therapy and compression are helpful for increasing circulation and inflammation. It also helps to relieve arch and heel pain by lifting plantar fascia tissue.