Mima Moon is a 3 in 1 product that includes:
-Newborn lounger
-Highchair
-A chair for a teenager

Files * .max and * .obj are presented in two versions:
-The color of the frame is black, the color of the upholstery is white
-The color of the frame is white, the color of the upholstery is black
You can see both options on the first two slides.

The manufacturer announced 2 frame colors and 8 upholstery colors. When these colors are combined, 16 variants are possible. All versions are presented in the preview on the penultimate slide. To get a version not presented in the work you just need to change the color of the Diffuse of the Trim material.

Website: https://mimarus.ru/mima-moon 

For Corona render, it is recommended to install a version not lower than 1.5, since the glossiness of the materials is adjusted with PBR in mind.

Who works in V-Ray version lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR (GGX), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - which is preferable for you.