This file contains 2 materials(grey and brown fabrics) that you can use each one you like.A .mat file is in the textures folder ,you can simply drag it in your mat browser and have both of them.Dimension of the chair is Width (side to side):58 cm Length(Front to Back):62 cm and Height (bottom to top):75 cm .Seat height is 44 cm. OBJ file format is also included in the zipped file.
The model comes with V-Ray and Corona materials.