I tried to import the .dae file only (after zipping it) but the pouf remains white ...
Inside this zip file there are 3 folders called: LODs, render, textures ... should I have to import these folders somehow?

Colours are exported in the separated MTL file. When you import an OBJ file, you should generally keep the MTL file in the same folder (or the same ZIP file).

Hi! I have a ZIP file with a list of files inside as: 3ds, dae, obj, mtl and texture folders)
Importing this ZIP, the pouf inside remains ...