Bags on Board Dog Waste Pick-up Refill Bags make picking up dog poop and pet waste quick, easy, and simple whether on a walk or in the backyard Strong and durable dog poop bags are thick enough to hold any mess; 100% leak-proof guaranteed Bags on Board poop bags fits and refills all Bags on Board Dog Waste Bag Dispensers, so there's no need to buy a new one Available in classic blue color 4 rolls with 15 pet waste bags per roll (60ct)