Plastic, metal.

Please do not eat this.

Contains no dairy, shellfish, tree nuts, gluten, or food of any kind.

Did You Know?
The most commonly used frame for yard signs today is the "H frame". The wire frames usually have at least two tines that can be inserted into the flutes of corrugated plastic signs. The tines on the other end of the frame can be inserted into the ground. A single or double crossbar between the two tines adds strength and makes the entire frame one single unit. It also prevents the sign face from sliding down the tines.

There's also the I frame, which is an H frame without a crossbar linking the two legs (obviously). Each leg may have an abutment that acts as a stop to prevent the sign from sliding down.

Class Dismissed.