This 20 game cartridge holder is specifically designed for all Nintendo GameBoys including DMG, Color, and Advance models. It provides a convenient and secure way to store and display your favorite games. The holder is made from high-quality materials and is available in classic black. With enough space for up to 20 cartridges, you can easily switch between games without worrying about losing or damaging them. It is a must-have accessory for any serious collector. Designed and Manufactured in the USA. This is a high quality 3D printed item