The Diamond Painting Foam Tray Organizer has three layers of tray slots in a one-piece design. It comes with 12 diamond painting trays and has four slits for storing placement pens and other diamond painting tools. Made from high-quality and durable materials, this is perfect for storing different diamond colors in a ready to use fashion. Details: Multicolored 10.63" x 7" x 0.98" (27cm x 18cm x 2.5cm) 3 layers of tray slots 4 slits for storing placement pens 12 diamond painting trays included Perfect for storing different diamond colors Fpam