Plasticplace Dog Waste Pick-Up Bags | Dispenser Included | 1000 Count Contains 50 rolls of 20 bags per a roll that will last up to 1 year or more. Bag measures at 9" x 12", and a thickness of 12 Microns. Self-Tearing dispenser included in every box. Leak-Proof, Unscented, and Coreless rolls minimize waste.