Notes:
1. Mylar balloons can be reused. fill with pure helium if you want them to float,But Please DO NOT overfill the balloons!!!
2. The air from the pump can not make the balloon float, the use of hydrogen or helium balloons can float.
3. There may be choking or suffocating risk from uninflated or broken aluminum balloons, adult supervision is required for people under 3 years old.
4. Please keep the balloons away from heat, fire or anything pointed.
5. Blow air into balloons in winter and release in summer as thermal expansion and contraction.