San Francisco 49ers Football 21" Helmet Balloon

Inflation Information:

Helium Volume: 1.25 ft3 (0.035 m3)

Minimum Weight Requirement (in Grams): 21.5

Maximum Elevation (in Feet): 10000.0

Inflated Size (WxH in Inches and CM): 21"/53cm w x 17"/43cm h

All our balloons ship uninflated.