• Includes a 40-inch dark blue balloon with number 1 and an inflatable accessory. • Balloons available from 0 to 9, ideal for any age or anniversary. • Made of high-quality aluminum foil, durable and with good texture. • Self-sealing design, no knots required. • Can be inflated with helium or air; floats when filled with helium. • Hole at the top for tying with ribbons. • Recommendation: inflate to 70-80% to avoid explosions. • Perfect for decorating themed parties such as birthdays, baby showers, weddings, anniversaries, graduations, New Year, Halloween, and more. • Can be reused; deflate with the inflatable accessory and store for future occasions. • Avoid exposure to sun, heat, sharp objects, and excessive friction.