Intimate Curved DesignThe Cushion Adopts Wrapped Design. The Radian Of The Cushion Adapts Perfectly To The Curve Of The Body, Reducing The Discomfort Caused By Prolonged Sitting. Ergonomic Design Which Can Improve Sitting Posture, Take Care Of Your Buttocks And Make You Sit Easily For 8 Hours. High Density Rebound Memory FoamMade With 100 Pure Memory Foam % Without Additives. Moderate Hardness, Breathable And Comfortable. The Chair Support Mats, Even If You Sit Longer, Return To Their Original Shape In 3-5 Seconds When You Get Up. Seat Cushions Won'T Deform Or Collapse Easily Versatile UseThe Seat Cushion Can Generally Be Used For Office Chairs, Car Seats, Wheelchairs, Air Travel , Etc., Allowing You To Comfortably Spend Several Hours Of Work Or Business Trips And Avoid Sitting Posture Problems Caused By Work. In Particular, It Can Be Used As A Seat Cushion To Increase The Height Of A Car Seat By Five Meters. Washable & BreathableThe Coccyx Cushion Has A Washable And Breathable Cover With A Mesh Material. Sports Knitted Fabric, Soft And Breathable, Skin-Friendly And Comfortable, Zipper Closure, Easy To Disassemble And Wash. Each Seat Cushion Comes With A Removable Cover That Protects Your Cushion. ServiceWe Will Do Our Best To Provide Customers With Satisfactory Products And Services. If You Have Any Questions, We Will Solve Your Problem As Soon As Possible.