30 X17 X 3 Black Extra Long To Support The Shoulders And Neck 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