Create attention-grabbing displays. The same sturdy, lightweight stock as our corrugated project boards, these slotted headers attach easily and securely for prime, attention-grabbing display space. Smooth, bold color surface has a slightly glossy finish that easily accepts markers, crayons, paints and adhesives. Fits our 18" x48" , 24" x48" and 36" x48" 1 ply corrugated project boards. Color assortment includes 1 each green, yellow, orange, red, blue, black, sky blue and purple. Made in USA