I actually bought this for my cat, who gobbles down his food and wants more. It is a very sturdy toy but I know our lab/pitbull would viscerate it. The top unscrews and there is an adjustable slot on the side to choose how much food from one piece to several for the toy to allow out. While my cat doesn't appreciate having to work for his pellets, it does prevent him from eating quickly. It arrives on time and is a good quality product. I would recommend.