ISG-DUR5000. Clear acrylic wheelchair tray by Duro-Med offers a hard surface for eating, writing, reading or other activities. Universal size fits standard size wheelchairs (16 - 20"). Attaches easily with Velcro straps. Smooth surface with a lip at the front to keep items from falling off. Semi-circle cut-out for a good fit. Easy to clean and maintain. Measures 23"W x 19"D x 1/4" thick.