It can effectively slow down your pet's eating rate, prevent or suppress symptoms such as excessive obesity and indigestion caused by fast eating. Made of thick PP material, biting resistant, and not easy to aging, the materials used in the product are all healthy and non-toxic. The bottom is reinforced with screws to prevent the food box from falling off. Training Function. There are some movable sliders in this slow food bowl, and there are linear and turning movements.Different movement methods can effectively train your dog's cognitive abilities. Safety. Although this product has plastic sliders, these sliders are not removable, which prevents the risk of the dog from swallowing it by mistake. Size:Round, Pentagram Shape, Paw Shape(optional) Color:,Blue, Pink, Green(optional) Package List: 1 x Dog Puzzle Food Feeder Toy