Pipolino is a unique toy for dogs of all ages it aims to help dogs that spend most of their day inside to get more exercise throuhgout the day the handy dumbbell shape makes it easy for your dog to roll this feeder across the floor and get to the dry dog food inside which will fall out of the holes perfect for lazy and overweight dogs but also great to occupy active dogs and keep boredom at bay the pipolino anti stress home trainer has 11 openings with a diameter of 17mm some of the openi