Full Protection: Protect the Arteck HB220B Bluetooth Keyboard when the keyboard is put inside the backpack or bags. This case is for Arteck HB220B only, not for HB030B. Keyboard Stand: Make the case as a stand for the tablet or cell phone while you are typing the keyboard. Wide Compatibility: Fits for Arteck HB220B Bluetooth Keyboard or other keyboard under 11" size. The case size is 10.75" in length and 5.9" in width.