4000 DOG PET WASTE POOP BAGS REFILL ROLLS Refill rolls WITH PLASTIC CORE INSIDE fit most dispensers on the market For dogs of ALL SIZES Color: Black 200 rolls x 20 bags = 4000 bags Total: 200 rolls = 4000 bags Plastic Core is for easy rolling inside any dispenser. These bags are Strong, and Eco-Friendly 100% Biodegradable Waste Bags Can hold up to 10 lbs Plastic Core Inside for easy rolling inside any dispenser Fit most dispensers on the market For Dogs of All Sizes Non-Scented Bag Specification: Color Black Bags in roll, pcs 20 Thickness, microns 14-15 Bag Size, in 12.5 x 8.5 Roll Size, in 2.25 x 1.25