MBM Destroyit Shredder Bags Size 918 (80 ct) One roll containing 80 individual Destroyit shredder bags. Designed for Destroyit shredder models 3803, 4000, 4003, 4004, 4005, 4011, 4012, or 4014. Extra thick to tolerate a bag full of shredded material without risk of breaking. Direct from the manufacturer.