DMI Deluxe Seat Lift Seat Riser Car Cushion Pillow, If you need some help getting up from low or too-soft chairs or would like more comfort and support in your wheelchair, this cushion can help. It also makes a great car cushion for drivers who need additional height in their cars to see over the dash. The DMI Deluxe Seat Lift is constructed of firm 4 in. foam that provides comfort while a hardboard insert provides extra support. This is why it makes an excellent wheelchair cushion. It eliminates the hammock effect found with wheelchair sling seats. The cushion is ideal for travel, office or home use. Perfect for use in wheelchairs, conventional chairs or anywhere additional lift is needed. The cover is made of a durable black cover with convenient 5 in. strap handles for easier carrying. Features Firm 4 in. foam cushion provides lift and comfort; makes it easier to get out of low or soft chairs. Use in wheelchairs, conventional chairs, cars or anywhere additional lift is needed Perfect for drivers; gives you more height in your car for seeing over the dash Hardboard insert provides extra support; eliminates hammock effect when used in wheelchairs. Removable, black cover has 5 in. strap handles for easier carrying. Ideal for home, office or travel use Size: 16 x 16 x 4 in.