These companies have often been in business for over 100 years, and continue to work with individual clients to create professional quality costumes. This includes companies that create mascots, costumes for film, deadpool costumes TV costumes and theatrical costumes. Professional costume houses rent and sell costumes for the trade. It is only the helmet of course, so if you are wanting to go as Boba Fett in his entirety then you will have to purchase the rest of the costume elsewhere, which will not be too difficult.