extra large ice pack 2 pack rakzu cold therapy reusable gel pack large 13" x 21.5" ice pack for injuries reusable large gel ice wrap for back knee legs shoulders pain relief hot & cold therapy rakzu do the muscles of your entire body and your joints feel sore after you work out? would you like to relieve sore muscles and overcome injuries while resting comfortably at your own home? then this rakzu gel ice pack is exactly what you need! the 13"*21.5" reusable ice pack is large enough to cover wider areas of your body. just use it on any area of your body to enjoy pain relief and faster recovery from your injuries. choose cold or heat therapy depending on your preferences and needs. whether you are suffering from aching knees, sports injuries, muscle pains, stiffness or limited movement that comes after a surgery, this rakzu reusable ice pack is the answer to your problems!