My AlphaPet Dog Poop Bags Refill Rolls - Large Size 9 x 13 Inches - Earth Friendly Highest ASTM D6400 Rated - Leak Proof Doggie Waste Bags Large enough for big dog waste the bags are 9 x 13 inches Star Sealed Base to give extra thickness at base of bag : bag is 20 microns thick Highest Rated ASTM6400 Cornstarch Product certified Biodegradable And Compostable Colored green and unscented 8 Rolls of 15 Bags fits regular dispensers