【Tough Material 】The black wood chip bag is is made out of a durable plastic that has holes it in so the air will escape and the leaves will stay in. 【Wide Application】This leaf shredder collection bag universal 24" x 48".This shredder bag has a 48" opening that will draw down to fit many device. You could make a wood frame around the outlet,keep it from slipping off. 【Great Replacement Bag】Fits great on wood chipper. Holds far more than bag supplied by chipper manufacturer. Works very well and is easy to secure to the chipper/shredder and fills nicely with the wood mulch. 【Dual Drawstring Clips】The rope is made of nylon and has two rope locks, flexibly adjust the tightness of the cover, easy to operate and convenient to fix. 【Warm Tip】In order to longer outdoor life of the bag, It is not advisable to use chipper shredder bag in the driveway. The chipper's debris will bounce off the concrete floor, making it best for use on grass. 【Tough Material 】The black wood chip bag is is made out of a durable plastic that has holes it in so the air will escape and the leaves will stay in. 【Wide Application】This leaf shredder collection bag universal 24" x 48".This shredder bag has a 48" opening that will draw down to fit many device. You could make a wood frame around the outlet,keep it from slipping off. 【Great Replacement Bag】Fits great on wood chipper. Holds far more than bag supplied by chipper manufacturer. Works very well and is easy to secure to the chipper/shredder and fills nicely with the wood mulch. 【Dual Drawstring Clips】The rope is made of nylon and has two rope locks, flexibly adjust the tightness of the cover, easy to operate and convenient to fix. 【Warm Tip】In order to longer outdoor life of the bag, It is not advisable to use chipper shredder bag in the driveway. The chipper's debris will bounce off the concrete floor, making it best for use on grass.