"ActiveWrap" professional sports medicine product from Hoag Orthopedic Institute. Designed for post hip surgery. Plush, soft wrap with pouch that has 2 pockets for 2 ice packs. Packs Freeze in freezer in 6 hours initially, and thereafter in less time. Frozen ice packs stay cool for 4 hous. Inner side of Pack is frozen solid while outer side of pocket is pliable and softer for comfort. Washable. Unisex & adjustable with additional Optional Leg thigh Strap & Optional Waist Extender Strap.