Size about:18"Material for the aluminum sphere with a metallic luster, uniform color, ball prettyYou can reuse, easy to charge and discharge gas, do not use one time to throw awayAutomatic sealing, pinch the mouth after inflating the ball flat, the ball comes viscose mouth sealed automaticallySuitable for all needs balloons place.Wedding,engagement party,celebration, holiday, birthday,show, party activities, or other fun event