Car Headrest Neck Support Seat / Maybach Design Soft Universal Adjustable Design Car Pillow Neck Rest Cushion. the car seat headrest neck rest cushion contours to your neck offering the needed custom support for the long hours of driving ahead. This assures that the car seat back support for the driver stays in the desired position. The back layer of our seat cushion and car sleeping pillow provides the added confidence of support and secure stability on a range of surfaces. Non-slip backing prevents shifting during travel. Hooded design headrest cover with an integrated padded pillow.