[Full hinge protection] Perfectly provide 360 full protection for the hinge of samsung galaxy z fold 4, and there are built in 3 magnets of each hinge protection and front cover which can be absorbed together to prevent hinge opening when using front screen. [Keep s pen safe] Take your s pen everywhere with built in hidden s pen slot inside of hinge to avoid s pen lost and scratch of this samsung galaxy z fold 4 case, and it fit perfectly without tight and loose, you can easily to put in or take off your s pen.(please note, s pen slot ONLY compatible with s pen, s pen not included) [Built in screen protector] There is a built in high sensitive & clear 9H tempered glass protector which provide more protection for your front screen without scratch. (PLEASE NOTE: Please remove the original screen protector if needed when install this built in protector to keep touching sensitive.) [Magnetic metal kickstand] There is a built in magnetic metal kickstand of this samsung galaxy z fold 4 case which is easily open and close, and you can put your smartphone with this case on desk to watch video in comfortable angle with hands free. [Lightweight & slim without bulk] This samsung galaxy z fold 4case is light weight with no bulk, and you can easily slip it into your pocket.