• The package includes: 2 baseball balloons, 2 giant balloons, 2 baseball bat balloons, 2 18-inch gold star balloons, and 1 40-inch gold balloon. Total 9 units. • Material: Mylar balloons made of non-toxic and environmentally friendly aluminum foil. Reusable. • Wide application: Ideal for baseball-themed parties, children's birthdays, baby showers, outdoor picnics, and other casual decorations. • Inflation instructions: Can be filled with air or helium (NOT included). Use clear adhesive to attach the balloons to the wall. Do not overfill and avoid exposure to the sun, overheating, sharp objects, and excessive friction. • Measurements: 18-inch gold star balloon and 40-inch gold balloon.