https://www.ebay.com/sch/i.html?_nkw=Quartet+Black+Chalkboard+120+X+48+In+&_sacat=0&_dmd=2

Quartet Black Chalkboard - 120 X 48 In.

Regular price
$591.00
Sale price
$430.00

A durable chalkboard with a practical writing surface Delivers effective performance in low-use active learning environments. Hanging system and kit included for easy and accurate installation. Heavy-gauge crimp construction. Satin-finish wraparound frame construction. Modern, anodized aluminum frame complements contemporary classroom environments. Includes a full-length chalk rail. 5-year surface guarantee. Quartet(R) Melamine Chalkboard With Aluminum Frame, 120in. Made by Quartet.