Storexs brand new line of corrugated products are made of an improved cardboard with a plastic layer. This durable layer features bright colors and wipes clean easily. It is also tear resistant so your new purchase will outlast the school year. All of Storex corrugated products are compatible with dry erase markers. Assembly videos and instructions are included. Storex is committed to providing a stylish, quality product. Storex - Built to function, designed to impress.