Cardboard, magazines, or other stiff material can be used as splints.

Why hadn't he thought to put some stiffer material there?

The dress was of some stiff material that helped to keep her physically separated from anyone else.

I caught a bunch of the stiff material in with the skirt and gave my left eye a good poke.

The discs are usually made of a metallic or other stiff material.

Black, stiff material, so that the gun in its holster at the small of my back didn't show through the dark cloth.

Yanking the stiff material, she tore it from her skin.

The paper was of a stiff but not too glossy material, and the pages were bound with something that looked like glue.

A large circle is made of cardboard or other stiff material.

It was a sheet of stiff material about three feet by seven feet.