• 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: The Mylar baseball balloons are made of non-toxic and environmentally friendly aluminum foil, and can be reused. • Wide application: Ideal for baseball-themed party decorations, children's birthdays, baby showers, outdoor picnics, and other casual decorations. They can be hung or stuck on the wall or hallway. • Inflation instructions: The balloons can be filled with air or helium (NOT included). Use a clear adhesive to fix them to the wall. Do not overfill and avoid exposure to the sun, overheating, sharp objects, and excessive friction. • Measurements: Height of the largest balloon: 40 inches (approximately 101.6 cm). Height of the star balloons: 18 inches (approximately 45.7 cm).