Adorox 10 Pack Colorful Knobby Balls Bouncy Party Favors Toys Novelty 5" Great for Babies to the Big Kids. Each ball is 5" in diameter Great for learning how to play catch, also great for the pool or tub... These are lightweight & have a cool, bumpy texture Perfectly safe for kids, made entirely of soft rubbery material Note: balls shipped uninflated and colors may vary