eBay

300 unscented pet waste bags with black dispenser for leash; 15 bags per roll; 20 rolls per box
Sturdy polyethylene bags offer reliable strength and durability
Unscented dog poop bags help keep hands protected and minimize odors
Dimensions: 9 x 13 inches (LxW) per bag; bag dispenser with carabiner-style leash clip included

Amazon Basics Unscented Standard Dog Poop Bags with Dispenser and Leash Clip, 13 x 9 Inches, Black - 20 Rolls (300 Bags)

Amazon Basics