Package: Blue balloon number 9 - Includes a straw for inflation (if not included, a milk straw or an air pump can be used) - Keep away from sharp objects - Size: 70-80 cm before inflation, 60-65 cm after inflation - Ideal for birthday parties, celebrations, anniversaries, graduations, corporate events, etc. - Can be harmoniously combined with other decorations - Detailed instructions for inflation and deflation included