Why are balloons harder to inflate when you start, and feel easier once they start expanding?

Question

I mean your average party balloon, when it’s completely deflated, it seems you have to put extra effort into getting it going. As soon as it starts inflating, you need less effort.

In: Physics

Answer 1

When you first start blowing, the thickness of the balloon wall is really thick and resists stretching. But as the balloon gets bigger, the wall is thinner and thinner and easier to stretch.