Vintage Wool Novelty Co. loom and hook can be used with included synthetic loops to make approx. 4.5" squares that can be used as potholders or joined together to make placemats or other articles, using instructions on box. Other loops are available at Michaels or Amazon. Potholder Design Wizard pattern tool is available on friendlyloom.com to help make a myriad of possible color patterns. From a smoke-free home.