POSTURE SUPPORT CUSHION helps align your body and improve posture while sitting. Ultra-comfy, ergonomic design tilts lower back forward to support and relieve pressure on neck, spine and lumbar region. Your bottom will love it, too! Folds for use as a portable pillow or leg/foot support, too. Made of firm, memory foam filling with plush polyester cover. Perfect for home, office or car. Clasps together for travel or storage. 19" x 13" x 4". Spot clean.