Easy to use Can also be used as a diet bowl. Safe for your pets safe to use ABS plastic. The bowl encourages healthy slow eating and helps prevent obesity, swelling, belching and overeating. The Slow Feeder has been carefully designed to slow down eating but not be so frustrating that the dog gives up.< /p> The unique design makes heaps of food and then gobble a small amount over the dog that feels full. Food.