100% Signal: Controller grips not block any infrared tracking leds of your for 3S/ 3. Steady signal greatly enhance your VR gaming experience. No Broken Problem: Safety designed of knuckle straps. No worry about the BROKEN problem, no risky for your controller safety. The knuckle straps can hold your controllers tightly to the palm of your hands, preventing it from throwing by accident while you are playing games. Various Hand Sizes: Controller grip cover is perfectly compatible with for 3S/ 3 controller. The adjustable hand strap can perfectly fit most hands. No matter what size your hand is, you can adjust it as you like. And it is to flexibly adjust the curvature of the knuckle strap cover to the controller, enhance your gaming comfort. Easy to Install: The hand cover has the L and R logo(Left and Right), just distinguish it that you can easily to install and replace. Color:As Shown Material:Abs+Nylon Package Contents: 2 * handle cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.