Black * Extra Wide For Broader Backs: Men's Size 44+ And Womens 18+ * Designed To Increase Comfort By Aligning Your Spine And Supporting Correct Posture * Unlike Traditional L Shaped Chairs The S Shaped Frame Of The Obusforme Molds Your Spine Into Proper Anatomical Alignment * Muscles Relax Leaving You More Comfortable And Energized * Features Molded Impact Resistant Lightweight Polycarbonate Frame * Durable Polyurethane Foam Protects Frame And Provides Cushy Comfort * Hypoallergenic Cover Can Be Removed And Spot Washed * With Removable Adjustable Lumbar Support Pad To Provide Additional Comfort For The Lower Back By Supporting The Lumbar Curve * Use Together With Any Obusforme Seat * Beautiful Impact Retail Packaging *obus Forme Wideback Cushion Are 19 X 7 X 21.75.