• XXL size 101 cm air balloon with number 1, ideal for birthdays, parties, and anniversaries. • Made with high-quality materials to ensure unforgettable moments. • Can be filled with helium or air, retaining helium for up to 8 days thanks to its self-sealing valve. • Includes four tabs for easy attachment, allowing it to be hung from the ceiling if filled with air. • When filled with helium, the balloon floats for up to 8 days, adding a special touch to any celebration.