Polar Ice Cold Pack with Wrap Back One Size Fits Most Nylon / Polyester / Water Reusable - 20 Count CaseAbout Polar Ice Freezer Cooled Cold Pack with Wrap (20 Units) Grab encapsulated ice pack out of the freezer, slip it into this neoprene back wrap and wrap it around your torso for effective pain relief for bruises, sprains or injuries requiring cold therapy Long lasting cold therapy Neoprene stretch material for easy wrapping and comfort Soft fleece material eliminates migration during use and insulates skin to prevent frostbite Back wrap will fit