What's the yellow paper for in Estes kits?

[johnnycarlos]

Why do some of the Estes kits have a slip of yellow paper? One side is waxy. Nothing in the instructions about it. What am I missing here?

 

[scsager]

The decal protection paper. It protects the water-slide decal in the package.

 

[johnnycarlos]

Ok, interesting. Mysteries revealed.