The fantastic integration of a phone grip, a stick-on and Shooting joystick in the world. Mobile Game Controller Finger Sleeves. It is smooth, thin anti-sweat, breathable Full Touch screen with sensitive Shoot Aim Joystick Set for knives/Rules of Survival - Gray 

This product is to measure as 4.92 x 3.31 x 0.2 inches

It has Gas permeability, made of silver fiber and spandex material, it is more comfortable when playing games, and the thickness is only 0.3mm, so you don't have to worry about your hands or fingers being stuffy. They can help you with your aiming and shooting and make it easy for you to play. 
This finger set can isolate hand sweat and screen contact, non-slip, anti-drop, oil-proof, anti-fingerprint, can improve your game feel and avoid operational errors.

This finger set can isolate hand sweat and screen contact, non-slip, anti-drop, oil-proof, anti-fingerprint, can improve your game feel and avoid operational errors. 
Operational sensitivity, which will help you improve the gaming experience. 
Compact and lightweight, carry it anywhere, anytime, anywhere. Easy to use, no tools or drivers required. 
This product is highly Compatible, these mobile game finger sleeve support almost all games on Android or iOS phones, including PUBG, Rules of Survival, Knives Out etc.