The More You Sit The More You Will Find This Seat Useful And Beneficial. It Is Great For Reducing Coccyx / Tailbone Or Sciatica Pain Improving Posture Sitting On A Hard Surface Or Just Sitting In Your Home Office Wheelchair Car Or Truck. Our Memory Foam Molds To Your Seat For The Best Comfort And Is Made From The Highest Quality Velour Fabric For Premium Touch And Durability. The Sleek Black Seat Cushion Is Perfect For Both Women And Men And Work Well Paired With A Lumbar Support Pillow. Main Benefits 1) Alleviates Lower Back Pain And Pelvic Area Aches And Soreness. The Gideon Orthopedic Seat Cushion Provides Pain Relief By Taking Pressure Off Your Back Hip Legs Tailbone Sciatica Prostate Perineal Pelvic Area Etc. Allows For Hours Of Sitting Without Experiencing Any Pain Aches Fatigue Or Soreness. 2) Promotes Healthy Back Posture: Allows The Tailbone And Spine To Be Balanced For Weight Distribution. Material: Made With Soft Breathable Non-slip Fabric The Cover Has A Zip So That It Is Washable To Ensure Sanitary And Hygiene. Made Of "memory Foam". Size: 36 X 45.5 X 6cm