Bar chair has 2 versions:
.blend file has adjustable Sheen BSDF shader which allows you to easily change the color and sheen roughness of the fabric material.
All other formats have a set of 3 textures: color, roughness, normal.
Recommended value of Specular: 0.2
Recommended value of Sheen: 0.05
Faces: 12 174
Tris: 24 428