Provides the knees comfortable support and protect – so no more sore knees! A 1-1/2″ thick foam cushion provides knees with a comfortable support and protection. The 12-1/4″x13-1/2″ pad is securely fastened to a durable 14″x24″ tray. The lightweight polypropylene tray features hand holds for easy transport. The tray is washable and chemical resistant. The tray and pad are both washable and chemical resistant. A favorite of concrete finishers, tile installers, plumbers, electricians, gardeners, automotive mechanics, and more.