Do you have lower back pain and discomfort during long periods of sitting in the car or at the office? Help relieve unwanted lower back pain, sciatica, sacrum and nerve pain while improving your posture with Vivalife’s Gel Memory Foam Car Seat Cushion. With an elevated angle and VivaLife Memory Soft technology, the car seat cushion helps relieve intense discomfort and improve posture while driving in the car, sitting in the office or in a wheelchair. VivaLife’s Cooling Gel & Memory Soft technology are perfectly engineered to provide you with the utmost comfort while sitting. With an orthopedic gel layer and a high density memory foam, the car seat cushion provides a soft, comfortable as well as cooling experience when in use. The car seat cushion is crafted perfectly to relieve aching tailbone and back pain by reducing pressure on the coccyx and sacrum with it’s wedge design and ergonomic tailbone cutout. The car seat cushion can also be used to recover from herniated discs, sciatica, tailbone injuries, and other spinal issues. We're confident you'll love our Gel Memory Foam Car Seat Cushion! However, if you're not completely satisfied, we'll give you a 100% refund within 90 days of purchase--NO QUESTIONS ASKED. We have the best customer service on Amazon, and YOU, the customer, are our top priority. <p><b>DIMENSIONS:</b> 18” x 15” x 3”