cushions and even strip wallpaper from the walls. just be careful, and remember that the water coming out as steam will be very hot.
can all fabrics be steamed?
the majority of fabrics are absolutely fine to be steamed, but not all. if you have any coating on your material that may melt (wax jackets, for instance), then this can cause issues. if you are steaming very delicate materials such as lace or silk, then you should take extra care.
is it okay to use it on furniture and upholstery?
yes! the same rules apply, as long as the material of the furniture and upholstery is not going to be damaged by heat then 