Maximize your organization with the Border Maker Organizer Inserts. These EVA foam inserts (2/pk) are the perfect addition to your Tools Organizer (sold separately.) The top tray accommodates the housing unit, paper guide and up to 17 BMCs or 25 BMCs when the housing unit and paper guide are removed. Meanwhile the bottom tray securely holds 15 BMCs. These inserts make it easy to compartmentalize your BMCs for a seamless scrapbooking experience!