Helium is not included. These balloons are sold flat. If you would like some of them or all of them filled with Helium, please 

Create an impressive balloon bouquet with this balloon decorating kit! It includes web-printed blue, red, yellow, and light blue balloons with attachable cardstock characters.

6 balloons per package
12in when fully inflated

Includes
Self-adhesive attachments
Instructions
Assembly required
Latex and cardstock

Since attachments add a significant amount of weight, inflate balloons with helium to no less than 12in to keep them afloat.