• The package includes 5 balloons: 1 warm pink 18-inch round helium balloon, 1 gold 18-inch round helium balloon, 1 hot pink 18-inch star foil balloon, 1 gold 40-inch star foil balloon, and 1 color number foil balloon. • Premium materials: made with high-quality aluminum, these balloons are exceptionally strong and durable, as well as extremely resistant to air leaks. They maintain their shape and bright colors impeccably and can be reused. • Applicable occasions: the giant number balloons are freestanding and can be combined to form different numbers. They are ideal for birthdays, welcome parties, celebrations, anniversaries, carnivals, holidays, and photo sessions. • Easy to use: they can be filled with air or helium. They are easy to inflate and deflate, and feature a self-adhesive outlet that seals automatically. • Measurements: the number balloon is 40 inches (100 cm) in size.