Anti-sweat - Super soft PU cover for the Valve Index which will fit perfectly to the back of your head, and it also solves problems of sweat and preventing staining the head strap, keeps your Valve Index headset clean and makes you feel more enjoyable during your VR game More hygienic - Made of high-quality PU leather, which can be washed and replaced. It also protects the original foam from wear and tears in daily use, thereby maximally extending its service life and reducing the accumulation of bacteria and dirt Firmly installation - Nylon magic tape adopted to make it firmly fixed on the Valve Index, just wrap the back of the Valve Index with the magic tape to fix it in a comfortable position Easy application - Easy to install and disassemble, the Integrated design makes it easy to install and remove quickly without any difficulty What you get - 1* Valve Index Head Strap Cover and 1* User Manual