The Avengers Theme Happy Birthday Balloons Kit is perfect for adding a touch of excitement to any party. Made of strong natural rubber latex, these balloons are non-toxic and safe to use around children. You can rest assured that they won't burst easily, allowing everyone to enjoy the celebration without any worries. This balloon kit is not limited to just birthdays. It can be used for a variety of occasions such as graduations, engagements, weddings, anniversaries, corporate events, and even photo shoots. Whether you're hosting an indoor or outdoor party, these balloons can be used as a photo booth backdrop, creating a fun and memorable experience for everyone. To ensure the longevity of the balloons, it's important not to overfill the metal balloons. Additionally, it's best to avoid exposing them to direct sunlight, overheating, sharp objects, and excessive friction. While these balloons are durable, strong winds or gunshots can still cause them to burst. Therefore, it is recommended for children over 11 years old to handle them. Key Features: Made of strong natural rubber latex Non-toxic and safe for children Versatile for various occasions Can be used as a photo booth backdrop Durable and long-lasting Recommended for children over 11 years old Easy to use and decorate with Creates lasting memories