This package of three Angled Chipboard Dividers is part of the Memory Dex Collection from Clear Scraps. These laser-cut chipboard shapes fit into the Memory-Dex boxes (sold separately) and glide easily over the rails system. These dividers will work with most Rolodex and other systems (sold separately). These dividers can be embellished with paper, paints, embossing powders, and more (all sold separately). These dividers measure 4.0" x 3.5". These dividers are made in the USA.