Remains flexible when frozen!</br>Stays cold longer!</br>Can be used for both cold and heat therapy</br>Strong?? durable?? and reusable!</br></br>Product Description</br></br>(SEE AVAILABILITY ABOVE FOR ESTIMATED DELIVERY) - Comfort Gel Packs - 10" 15" - Comfort Gel Packs - Great for reducing post - surgical discomfort & swelling. Also ideal for everyday aches & pains. Can be frozen or heated.The packs also:Remain flexible when frozenRemain cold longerHave instructions printed directly on packAre completely safe & non - toxic - Rolyan products are internationally licensed & manufactured for home & clinical use. Most of their products offer a lifetime warranty.</br><br/>http://www.amazon.com/gp/product/B000QY9GG4aa