• 7th birthday pink balloon set includes 1 40-inch pastel pink aluminum balloon, 2 16-inch pink foil balloons, 4 12-inch pastel pink balloons, 2 12-inch matte white balloons, 2 12-inch deep pink balloons, 1 32-foot ribbon, and a straw for inflating. • Made of premium aluminum foil and latex, they are lightweight, durable, reusable, and safe. • Method of use: inflate with helium or air, filling up to 90% is sufficient. They automatically seal after inflating. • Wide application: birthday celebrations, anniversaries, graduations, special events. • Tips: avoid over-inflation, prolonged exposure to the sun, high temperatures, and sharp objects.