1、The ball is made of plastic, which is durable, safe, non-toxic, tasteless and also eco-friendly 2、The colorful ball can improve baby's intelligence and exercise hand flexibility, which is beneficial to baby brain's development 3、The bright colors can help kids to improve the ability of color recognition and can also develop kid's hand-eye coordination ability 4、Elastic, completely sealed, and do not need to inflate 5、Can be use in shopping mall and amusement park Descriptions: Our ocean ball can improve baby's intelligence and exercise hand flexibility, which is beneficial to baby brain's development. These colorful ocean balls can help kids to recognize the different colors and can also develop kids' hand-eye coordination ability. Suitable for kids aged more than 2 years old. Features: The ball is made of  plastic, which is durable, safe, non-toxic, tasteless and also eco-friendly. The colorful ball can improve baby's intelligence and exercise hand flexibility, which is beneficial to baby brain's development. The bright colors can help kids to improve the ability of color recognition and can also develop kid's hand-eye coordination ability. Elastic, completely sealed, and do not need to inflate. Can be use in shopping mall and amusement park. Specifications: Condition: 100% Brand New Material: PE Color: Colorful Diameter of the Ball: approx. 5.5cm/2.17in Weight: approx.280g Suitable for Age: Above 2 years old Package list: 100*Ocean Ball Note: 1. Please allow 0-2cm error due to the manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. please take the real one as standard.