This 4" easel back was designed to display signs up to 6" high. These easel backs are 2X stronger than most competitors and made from heavy duty 50 point chipboard. Assembly is quick and simple, just lock in the tab, and stick easel back it to your sign with self-stick tape. This cardboard easel back is available with or without self-stick tape. Eco Display Products stocks 1000's of standard size easel backs on premises at all times.