Features: Reasonable design There is a string on the top of the inflatable ball, and an aperture at the bottom of the ball. You can put it on your finger and shake it up and down. Easy to use This inflatable ball is easy to use, tie the trachea with a plastic tube, then put it in your mouth, inflate the ball, then the ball will become more and more bigger. Excellent quality The inflatable ball is made of TPR, which is more thicker than before, and keep the gas in the ball longer. Scope of application The inflatable ball is a suitable toy for children to play, and release their bad moods, as a parent-child interaction, friendship interaction. It is a fair choice for group activity in school, of course, you can play the toy at home with your parents or friends. Specifications: Type: inflatable ball Material: TPR Quantity:1 set Function: glitter Age level: under 17 Play: throw, press, fill Packages: 1*inflatable ball