Strong and Durable: High-quality steel plate, ABS, aluminum alloy, and baked paint and oxidized processes make this product's structure strong and durable, which can remain practical and beautiful for a long time. Double-sided Design: This product cleverly combines the dual characteristics of the greenboard and whiteboard, giving it diversified writing functions. The green board is written with chalk and the whiteboard is written with whiteboard markers. Both sides are magnetic, you can attach the stickers to them with magnetic clasps, which provides an interesting game possibility!