eBay

900 Bags (15 bags per roll; 60 rolls) of unscented dog poop bags with black dispenser for leash
Polyethylene bags offer reliable strength, keeping hands protected and minimizing odors
Plastic dispenser for easily removing a bag from the roll; carabiner-style clip for attaching dispenser to a leash
Bag Dimensions: Each bag measures 9 by 13 inches (LxW)

Amazon Basics Unscented Standard Dog Poop Bags with Dispenser and Leash Clip, 13 x 9 Inches, Black - 60 Rolls (900 Bags)

Amazon Basics