Size: You will receive 10 pieces of about 4.15x4.15x1.6cm/1.63x1.63x0.63inch, window: 1.34x1.34 Inch (3.4x3.4cm), inner diameter: 1.38x1.38 INCH (3.5x3. 5cm) gem storage box. Clear window: The design has a clear transparent lid, which can not only store gems, coins, and boxes of the box stable, but can visually display the shiny jewelry visually. Ductive Materials: Made of solid plastic, durable and easy to organize, fine workmanship can ensure that the surface is smooth and round edges, thereby bringing you comfortable touch. Velvet Line: The inside of the box contains velvet mats to better display the color and glory of gemstones and coins; it can also remove foam pads as needed. Widely used: It is very suitable for displaying diamonds, coins, jewelry. When you unload the foam pads in the box, you can use it as a storage box for diamond gem painting accessories.