Do the taper balloons come with self sealing valves?

Taper balloons come in 13-inch, 27-inch, and 38-inch and a variety of vibrant colors.

The 13-inch balloon is an airfill requiring heat sealing because they do not have self-sealing valves. The 27-inch and 38-inch taper balloons have self-sealing valves. 

According to the manufacturer, the 13-inch and 27-inch taper balloons are for air-fill use only. A 38-inch taper or swirl taper balloon can be inflated with helium. 

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