The Toro 121-5775 Lawn Mower Grass Bag Assembly provides convenient collection of grass clippings during mowing. This replacement bag attaches to the compatible mower and receives clippings discharged from the cutting deck, helping keep the lawn surface cleaner during use. Its collection design supports easier cleanup and reduces the need to gather loose grass after mowing. It is suitable for replacing a worn, damaged, or missing grass bag assembly. Installing a properly fitted replacement can help restore collection function, maintain efficient mowing, and support cleaner yard maintenance.