Celebrate your child s birthday with these fun and vibrant Spiderman balloons. Measuring 22x25 inches these self-sealing balloons can be easily inflated with air using a hand pump or straw. The balloons feature the iconic Spiderman design and are made of high-quality foil material. Perfect for decorating the party venue or as a fun gift for the birthday boy or girl these Spiderman balloons are sure to delight kids of all ages. With their self-sealing valve the balloons can be filled with either air or helium allowing for versatile display options.