Safetysure Wheelchair Board 18 L x 18 W Cushions Foam 💥 SIMPLE ADJUSTMENT: One button Oxygen Masks 💥 SIMPLE ADJUSTMENT: One button switches between 3 modes (Normal Noisy Telephone) * The Unique Design Allows Easy Movement On Hard Surfaces And Helps Eliminate the Wheel From Falling Into Cracks 18 L x 18 L * Provides flat sitting surface and eliminates the hammock effect associated with traditional wheelchair seats * Made of lacquered finished plywood * Corners and sides are rounded to prevent chipping * Makes an excellent sitting surface when combined with a pressure relief cushion * Splinter free plywood * Weight capcity : 300 lbs *