The nexcare coldhot therapy pack flexible is a heat/cryotherapy compress (medium size) with added comfort for natural pain relief. Non-toxic and 99% biodegradable, it is safe for the whole family. It can be used cold or hot and comes with a comfortable protective cover with elastic to keep the hot pack/ice pack in place. \ \ Its new protective cover is designed with thinsulate microfibers that offer the highest insulating protection. It allows the temperature to be maintained, whether it is to be used for cryotherapy or as a hot pack, for a long time providing greater convenience. \ \ how it works \ \ you can store it in the refrigerator or freezer for immediate use as a cold pack, to reduce swelling, inflammation and pain, or simply heat it in the microwave or hot water for quick heating to relieve pain and treat stiffness, muscle spasms and aches. \ \ features \ \ offers immediate and natural pain relief. \ \ cold compress for swelling, inflammation and pain. \ hot compress for muscle aches and stiffness. \ \ \ elastic for tying at the application site. \ ideal for extremities. \ made of 99% biodegradable gel. \ protective cover included for comfort. \ \ \ use \ \ can be used cold or hot for quick pain relief. \ \ \ you can store it in the refrigerator or freezer for immediate use as a cold pack, to reduce swelling, inflammation and pain. \ heat it in the microwave or hot water for quick heating to relieve pain and treat stiffness, muscle spasms and aches. \ \ \ safe gel for the whole family. \