[Compatibility] The magnetic hinge case with pen holder compatible for Samsung Galaxy Z FOLD3 5G. [Hidden Pen Holder] The hinge of Z Fold 3 case is specially designed for S-Pen and the pen slot is located on the inside of the hinge with a snap for easy installation or removal. This innovative hidden pen holder design is not only more convenient to carry your pen, but also protects your pen from scratches at all times. [Magnetic Hinge Cover] The Galaxy Z Fold 3 case has a magnetic hinge cover to better protect your pen with strong magnetic field and provides 360° full protection for the hinge of Samsung Galaxy Z Fold 3. Also, you can fold your phone freely without any pressure. [Durable Alloy Kickstand] The built-in kickstand of Samsung Z Fold 3 case made of alloy could be folded by magnets, free your hands while viewing or attending meeting in both vertical and horizontal position. [Built-in Screen Protector] With built-in screen protector, the Z Fold 3 case enhances the ability of dust-resistant, also, the tempered glass screen protector and hard PC cover could prevent your phone from scratching and water.