This rack is a fantastic space saver. It allows you to stack four cookie sheets or baking pans for cooling or dough rising. Sturdy enough to hold our heaviest roasting pan or pizza stone. This is a perfect gift for a baker or cook who has everything. Folds flat for storage. Measures 13.25" high by 10" wide by 10.5" deep when open, and folds to 22" long by 10" wide by 1" high. Steel construction. Made in China.