Seat Cushion-memory Foam 18 W X 16 D X 3 H

Made From Premium Quality Self-molding Memory Foam And Provides A Comfortable Seating Surface * Its Ergonomically Designed To Help Maintain Proper Posture And Provide Stability While Seated * Comes With A Removable Soft Polyester And Rayon Cover That Zips Off Easily For Machine Washing * Hypo-allergenic *