flexikold gel ice packs w/straps (standard large) - two (2) reusable cold therapy compresses (for pain and injuries, knee, shoulder, back, ankle, neck, hip, wrist) - 6300-strap-2pk by natracure natracure colder for longer: proprietary gel ice packs stay colder for longer than competing products that use inferior bentonite formulations. soft, flexible insulating layer enhancing cold therapy. hook friendly surface allows the two stretch straps to be attached anywhere! allows the pack to be used on many different body segments. new flexi straps hold the pack in place while providing a level of compression. now you can be mobile with your cold pack.