TOP COMFORT Seat Cushion, BodySync™ Technology with Non-Slip Gel & Memory Foam for Tailbone, Sciatica & Back Pain Relief, Office Chair Cushion, Car Seat Cushions for Driving (Dark Grey Blue)Brand: TOP COMFORT Color: Dark Grey Blue Features: REVOLUTIONARY BodySync TECHNOLOGY Experience unparalleled comfort with our innovative design of our memory foam chair cushion and seat cushion for the car. Our Premium memory foam is soft and firm and uniquely adapts to your curves, creating a personalized seating experience like no other chair cushion, sitting pillow, butt pillow, or any memory foam seat cushion for a car. RAPID RESPONSE MEMORY FOAM