Energizer Foot Support, 17.88w X 13.25d X 4 To 6.5h, Charcoal/blue/gray

Invigorating rubber surface with diverse massage textures targets pressure points. Elevates feet and legs to help relieve lower back pressure and improve posture. Free-floating platform allows for intuitive rocking motion to help promote lower leg movement. Scissor motion height adjustment provides three platform height settings (4", 5 1/4" and 6 1/2") and up to 25° tilt.