Material: TPRNote:1. This product is also a one-time balloon toy, but it is stronger than ordinary balloons, with tension and resilience2. The balloon toy can be filled with water and inflated. Adding water or pumping requires you to find a matching tool by yourself. It is convenient and simple to fill the water and directly tie the mouth.This product has a rope on the top, which can be swayed up and down on the fingers and patted. There is a small hole at the bottom, which is used the plastic tube and blow air Tips: It is not recommended to blow the balloon too full, which will affect the use effectSize: S: 30-40cm (After Inflating) M: 40-50cm (After Inflating) L: 60-70cm (After Inflating)Package included: 1 Bubble Ball + 1 Plastic blowing tube