• Giant navy blue balloon in the shape of the number 4, size 101.6 cm, made of high-quality mylar aluminum. • Includes 1 number 4 balloon and 1 20.3 cm straw for easy inflation and deflation. • Safe, durable, non-toxic, sturdy, and lightweight material, suitable for children and reusable. • Can be inflated with air or helium; floats if filled with helium. • Self-sealing valve makes inflation and deflation easy without the need for tying knots. • Easy to reuse: can be deflated with the straw, folded, and stored for future events. • Perfect for decorating birthday parties, anniversaries, weddings, graduations, baby showers, New Year's Eve parties, and other celebrations. • Can be hung or attached to the wall thanks to the holes at the top and bottom of the balloon. • Do not overinflate (recommended 80-90% of its capacity). • Keep away from heat sources, sharp objects, and corrosive liquids to avoid damage. • The product color may vary slightly due to screen or lighting differences. • Measurements may have slight variations due to manual measurement.