These 4 by 4 in. Covers come in pairs and are available in craft (brown color) or white. They measure 1/16-inch thick.(picture shows other sizes available and is just a representation of different cover sizes). Zutter innovative products is a division of international trading contacts and have been a leading manufacturer of quality scrapbook and craft tools and supplies for over 20 years. Zutter produces custom design work for various designers, and are also experts in developing a variety of tools which are included in today"s" market in the stationery as well as the scrapbook industry, guaranteeing you the most innovative and well designed products that remain in the market for many years and decades to follow. Zutter"s latest developments include bind-it-all, dreamkuts, round-it-all, distrezz-it-all, and zutter kutter all new and unique, which represent the standard for scrapbooking, home use, stationery, schools and are loved by scrappers around the world.