Plush Modern FIRM Non-slip Memory Foam Seat Cushion - PREMIUM DESIGN - Luxury Chair Pads for Truck and Car Seats, Kitchen and Dining Chairs, Outdoor Bench, and Office Chairs REDUCE DISCOMFORT to your back, coccyx, and hip bones while sitting on chairs, planes, and automobiles. Your bum will feel happy as a plum! PROMOTE IMPROVEMENT of spine alignment and posture while sitting. Works great as a universal interior accessory for RV's, trucks and cars. Even doubles as a booster seat for you shorter drivers! ERGONOMIC AND QUALITY DESIGN forms to body for the most premium sitting experience. This product is Doctor recommended for issues related to sciatica and pain while sitting. INNOVATIVE NON-SLIP COVER keeps the seat in place on any surface. Mesh design allows for improved air flow FIRM TESTED MEMORY FOAM allows for a comfortable sit without loss of shape even after years of extensive use. High quality materials mean never having to purchase another one again