Roho Posturelite Cushion, 18.75" X 17.25", Black, Each

The preset air and foam cushion offers a perimeter air expansion chamber that conforms to the contours of the body to help provide comfortable suspension and skin protection. Similar to ROHO cushions, PostureLITE™ works by allowing continuous redistribution of air within the cushion with every weight shift. This maximizes the contact area of the cushion to help manage pressure and increase tissue viability.The super-lightweight cushion weighs only 1.5 lbs (0.6 kg) making it one of the lightest cushions on the market!Features- "Closed system" design that utilizes both foam and air to provide fail-safe support which never needs adjustment- Flexible perimeter air expansion chamber allows the PostureLITE™ to adapt to various chair sizes- Cover is made of stretchable, fluid-resistant material that is machine washableConstruction: Cover: Poyurethane-coated Polyester, with PVC non-skid bottom material (DEHP and BPA free)Cushion Insert: Foam core and air expansion chamber at the front and side