BETTER SUPPORT-- The cushion size 18.5 inches/47cm at the width, just fit the car seat 2.76 inches/7cm higher at the back, the high elastic foam of the car seat cushion absorbs pressure yet keeps its shape to support your tailbone, coccyx, lower back, lumbar, spine, hips, and legs from those severe pressure points. . BETTER POSTURE -- With our orthopedic wedge cushion your pelvis will tilt naturally forward for a straight sitting posture, improve your posture and relive pressure while driving or sitting for a long time. Ergonomic cut-out design of the seat cushion aims to relieve pressure on lower spine and reduce tailbone pain. . BREATHABLE AND CLEAN WITH EASE-- The zippered cover of the orthopedic seat cushion is made with a soft, breathable polyester material and machine washable, also easy to take off. Our wedge cushion pillow is lightweight and with the portable handle so you can go anywhere with it and fit onto the seat. . ANTI-SKID BOTTOM-- The bottom of the pain relief seat cushion has a non-slip design to ensure that the seat cushion is firmly above your seat, giving you a pleasant driving experience. Also the cover of the ergonomic seat cushion is durable and skin friendly. . BETTER FEELINGS-- Our orthopedic support seat pad provides comfort on most surfaces. Design for car seat, office chair, household, wheel chairs, or pregnancy or someone who often makes long commutes, the car wedge seat cushion makes many people relief from achy to a comfortable driving. . Gift