Featherland Paradise made the Square Grass Stacks for small to medium-sized birds. Because we know your bird loves to chew, we strung woven grass mats with colorful wood slats on a stainless steel wire. We include a quick link that will attach the toy to virtually any cage. The soft Canadian pinewood is colored with food dye and safe, natural grass fibers. Your parrot will love chewing, so put one in your cage today!