ATTACHMENT 3-BIN BAG TRACTOR. - 3 bin (9 bushel) lawn mower baggers with durable, polyester mesh collection bags Full bag indicator lets you know when the bag is full. - Can be used with or without lawn bags. - The top is designed for improved air flow, which results in fuller bags. - Easy-glide bin with built-in handles makes clipping disposal easier. - Collar handle and straps on the bottom of the bag both allow for easy dumping. - Takes up less space in your garage when storing your bagger. - No tools required. - Husqvarna engineered genuine original manufacturer part.