Features: Party favors bouncy balls can also make your pet happier if you have a cat or a dog. These bounce balls allow you to play exciting fetch games and other interactive games with your cute pet. Bouncing ball toys make playtime more enjoyable. They are ideal for gift bags, birthday party favors, vending machines, game prizes, classroom treasure boxes and more. Specifications: Material: rubber Color: as shown in the pictures Size: 0.78 inches/ 20 mm in diameter Package includes: 500 x Rubber bouncy balls Notes: Manual measurement, please allow slight errors in size. The color may exist a slight difference due to different screen displays.