This RYOBI replacement mower bag is designed to fit models: RY401110, RY401120, RY401110-Y, RY401120-Y, RY401110US, RY401120US. Catch clippings while you mow and leave your yard with a clean look. When done mowing, easily lift the bagger and empty clippings from the bag. The lightweight polyester bag is tear and water resistant with a plastic bottom to help prevent wear.