Perfect Fit for Quest 3 Controllers - Strictly designed to fit quest 3's dimensions, keep the battery cover mounted securely. The added knuckle strap prevents you from accidentally throwing the controller. (Note: The wrist strap that comes with the Quest 3 cannot be used after installing our battery cover with adjustable strap.).Adjustable Active Strap with Stronger Adhesion - The length is up to 25 centimeters, commonly used for hands of different sizes, secured by stronger velcro, enhanced adhesion than others, safeguard your quest 3 controller grips from accidental drops or slips..Ensure Perfect Signal Tracking - It does not block any infrared tracking sensors. Comfortable touch and steady signal will greatly enhance your VR gaming experience..Breathable Comfort Strap - These breathable straps are elastic, designed for most hand sizes, reduce sweating, so you play in maximum comfort — no matter how long your session..Long Lasting - Designed with durable woven nylon and loop fasteners, these premium straps keep up with even the most intense and frequent use.