UPLIFTING SEAT HELPS YOU IN AND OUT OF YOUR CHAIR. Specially-designed, rising cushion is totally self-powered—no electricity or batteries needed! It gently lifts as needed to enable you to rise or sit down with ease and comfort. Ideal for anyone with limited strength or mobility. Sturdy, yet lightweight; folds flat to store and transport. Spot clean. 20-1/4" x 17-1/4" x  3-3/4".