Say Goodbye to Uncomfortable Car Seat/Office Chair:Most car seats/office chairs lacking support,driving or sitting for long time easily causes pains in your hips,thighs and knees.Not anymore with our car cushions for driving. Made of high quality slowly rebound memory foam, our car pillow for driving seat supports those areas to reduce pressure and relieve pains. Larger Size Chair Cushions Add More Comfort for Driving/Sitting:According to the survey, small seat cushion for truck driver is not comfortable enough, especially for those with big hips. Newly designed large truck seat cushion (length x width: 18.9" x 16.5")expands the support area and meets the needs of most people, whether you are a small butt or a big butt. Driving and Sitting Improved with Our Wedge Car Seat Pillow: Sitting in an ordinary seat or a hard seat for long time is easy to cause fatigue. With about 3" thickness of seat pad, our auto seat cushion plays a role of a seat riser, adding the height to improve view angle and sitting posture. And our smart design travel seat cushion is thin at the front and thick at the end, so it won't change the height of your front legs to make your foot reach the brake pedal as usual. Versatile Design to Add Convenience: Non-slip rubber bottom and elastic strap double keeps your car seat cushions for short people in place, no slipping,no sliding,minimal movement while you are driving with no need to readjust.