Large Dog Poo Bags - 1000 Pack, 33% Thicker & 25% Larger Poop Bag with Easy Tie Handles, 100% Leak Proof, Odour Free Pet Waste Disposal, Discreet Opaque BlackSTRONGER These high quality dog poop bags bags are manufactured from 30% recycled premium polyethylene plastic, providing a high tensile, strong and durable solution. 33% stronger than other dog poo bags, at 20mu thickness, offering superior strength. LARGER 17 x 7 inches size bags give you confident pick up. Height: 17 inches 43cm, Width: 7 inches 18cm, Width with side gussets: 12 inches 30cm. DISCREET BLACK The black and completely opaque material