These bags are designed to fit neatly inside the bins of Fellowes AutoMax 500CL, 500C, 300CL, and 300C auto feed shredders. They include an easy-to-use dispenser box with extra-long wire ties to seal bags when full for easy disposal. Bag Dimensions: 31.8" x 37.4" x 23.5" - Holds up to 20 gallons of shredded material. 50 bags per box