Corrugated Cardboard Protectors | 3 Position

Corrugated Cardboard Protectors are an essential supply item in any frame shop.

These 3 Position Corners allow to fold to the following dimensions:
4" x 4" x 1/2"
4" x 4" x 1"
4" x 4" x 1-1/2" 

Priced per box of 1000 or 200, white color.