for full body tracking in a of VR games and applications such as VRChat, hi-fi, final football,and more, etc. Premium Breathable elastic perforated non-woven fabric and elastic embossed design that's comfortable yet grips on any surface and keep the tracker steady.The strap and belt are designed as a high-quality perforated non-woven fabric material that is breathable, and soft to wear comfortably. The contact surface is made of elastic embossed leather, which can effectively increase the friction surface between the strap and the tracker, improving the stability of the tracker,to impact vibration. palm tracker straps feature a unique thumb loop design that secures the vive tracker to the back of the palm while allowing the palms and to move completely freely. NOTE: The Vive Tracker NOT include. Material:non-woven fabric colour:Black Package Contents: 1 x Tracker Belt 2 x Wristband 2 x Palm Straps Only the above package content, other products are not included. Note: Light 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.