1. Non-toxic， safety and durability， super toughness<br />2. Colorful design， daily interactive toy for pet<br />3. Eliminate boredom， prevent the dog bite the other items<br /><br />Specification:<br />Diameter: 23.5cm<br />Material : rubber<br /><br />Note: If you doggie is very naughty or fierce， please choose it distly. some kids are really a toy killer .<br />         Please fill the ball as harder as possible.