• Large size number 1 birthday balloon (101 cm) in green color, made of high-quality aluminum foil • Includes 1 aluminum balloon and 1 straw for easy inflation and deflation • Safe, durable, non-toxic, strong, and lightweight material, suitable for repeated use • Easy to inflate with air or helium, with a self-sealing valve that does not require knots • Can float if filled with helium • Reusable: can be deflated with the included straw and stored for future events • Holes at the top and bottom to hang or stick the balloon on the wall • Perfect for decorating birthday parties, anniversaries, graduations, weddings, baby showers, farewells, New Year's parties, and other events • Recommended to fill to 80-90% to avoid damage • Keep away from flames, sharp objects, and acidic juices • Color may vary slightly depending on light and screen • Size and weight may vary slightly due to manual measurement