Ideal for meteorologists, science projects, grand openings, fairs, aerial photos, etc. -- Made of gray/white neoprene. When filled with approximately 33.5 cu feet of helium, the lift capacity of the weather balloon is 2 lbs. The filled diameter of the ball should not exceed 6.23 feet. -- In order to use the weather ball, inflate with a vacuum cleaner or a helium tank . Create your own unique weather ball by painting it with water colors or latex paint, using a soft brush.
