ScrapCessories modular system combines a unique clear plastic Caddy Case with inserts designed to hold your most popular accessories. The cartridge tray holds 8 Cricut brand cartridges along with room for 8 books and overlays behind. The tray allows for easy viewing of the cartridges through the front of the box making storage and retrieval fast and easy. Boxes are stackable and with the use of the “Stack-n-Strap” accessory, 3 boxes can be securely strapped together for convenient transport to your next crop.