Inflatable Design Makes This Wedge Pillow Convenient Portable And Travel Ready Size Inflated: 27 W X 27 D X 8 High Provides 8 Of Elevation While Sleeping Or Lying Down Providing A 15 Degree Angle Aids In Reducing Acid Reflux Can Be Used As An Elevated Foot Rest Or Leg Rest Post-surgery Or Simply For Comfort Inflate/deflate Valve Is On The Rear Of Teh Wedge Making Air Adjustment Easy While The Wedge Pillow Is Adorned With The Cotton Cover Material: Heavy Gauge White Vinyl Includes Bed Wedge Pillow Cotton Cover And Manual Air Pump