How to use: First You need pump to inflate the balloon. Easy to pump up. Our ball has an anti-leak valve design that can keep air for a long time. Easy to store you just need to deflate the ball and fold it up. Easy to carry and save space. Balloon are made of sturdy PVC material. Waterproof and weather resistant. Held up very well outside in rain and snow. They didn t blow away fall apart or break easily. Bright color: Each balloon have Strong Bright Rich Charming color. Sphere Shape. As round as a beach ball when inflated these huge outdoor decorative ornaments look interesting and festive during the day but create a spectacular display of ever-changing fiber optic lighting at night. You will have fun with your kids.