Replacement part number: 5140117-99 5140125-95 Compatible with Black and Decker: BV3100 12 Amp Vacuum Our leaf collection bags come with additional sewing thread to contain huge amound of debris and dusts while avoiding easy crack. Made of fine cotton textile and with great craftsmanship, 20% polyester; 80% cotton, the bag delivers higher durability BaoBag leaf blower bag replacement bag meets the requirements of collecting and handling fallen leaves in the courtyard, greatly improves the use efficiency, and avoids the problem of repeatedly dumping broken leaves due to small capacity With 24 gallons of maximum capacity (each bag) Please note that the use of any problem in a timely manner with me to send an e-mail, we will be the first time to help you solve, to give you a satisfactory reply