PROTOARC SC Butterfly Ergonomic Seat Cushion

U-Shape Extra Large Ergonomic Design Pressure Relief Seat Cushion Adaptive Memory Foam for All-Day Comfort Anti-Slip Universal Fit for Any Seat Machine-Washable Hygienic Cover Ultra-Lightweight (1KG) & Travel-Ready ProtoArc SC Butterfly Ergonomic Seat Cushion - Relieve Tailbone & Hip Pain with 5-Zone Memory Foam Support. Anti-Slip Design for Office, Car & Home. Machine-Washable Cover, Lightweight (1KG) Tips: For optimal comfort, we recommend this seat cushion for individuals weighing less than 220 pounds