Ideal for meteorologists, science projects, grand openings, fairs, aerial photos, etc. -- Three different size professional weather balloons are available: 3 feet in diameter, 6 feet in diameter, and 16 feet in diameter. -- All balloons are made of gray/white neoprene. When filled with helium, the lift power of the balloons are 1/4 lb., 10 oz., and 2.42 lbs., repsectively. -- Balloons can be painted with water colors or latex paint, using a soft brush. Inflate with a helium tank or vacuum cleaner. The 3' diameter balloon comes in a package of 2. |
