The Geekria 75% 84-Key Knob Keyboard Dust Cover is a clear acrylic protector designed specifically for desktop keyboards. With a size of 12.3 x 5 x 1 inches, this cover is compatible with keyboards that have 84 keys. The GEEKRIA brand ensures quality and durability, making it an ideal choice for keeping your keyboard clean and protected from dust and debris. Its clear design allows the original design of your keyboard to show through while providing a secure and snug fit.