Size: 8.5" X 7" X 25" This pillow’s unique spire shape fits comfortably under your client’s knees Supports the back and knees during massage or makes you more comfortable wherever you need it. All-purpose positioning aid with durable strap for easy positioning Upholstery is easy to clean. Your clients will love it and you'll love the price this bolsters unique shape fits comfortably under your clients knees to increase their comfort when in a face-up positioning. Upholstery is easy to clean.