Product Details Comfortable: Provides comfort and support while seated. Open center is designed to provide maximum pressure. Relief. Easy to use: Easily inflates and deflates without tools. Size: 13 inches Diameter. Drive for the road ahead. FSA Feds: Flexible Spending Account. May be eligible for Flexible Spending Account reimbursement. www.drivemedical.com. Learn more! Call us toll-free 866-694-5085. Made in China.