Each bouncy ball measures 2.36 in. They are solid and have good elasticity to bounce off different types of surfaces. You can have fun with the cool bouncy balls almost anywhere. These bouncy balls in bright assorted multi colors are made of high-quality rubber,and they have consistent roundness,density,bounce performance,and assembly quality. They are durable,harmless to the human body and will not split. Our jumbo super bouncy balls are suitable as a pinata and goodie bag filler,party gifts and favors. They are also great for Halloween giveaways,classroom prizes and carnivals and festivals. Pets love these bounce balls too! Sizes and colors can be customized. Welcome your LOGO. The prices for 4200pcs or over are based on ocean shipments.