Ostrich Drabs – 17-24″ – Dyed Purple $3.50 – $335.00 These feathers are the longest size ostrich drabs. This size ranges between 17 and 24 inches. Each feather is hand selected steamed and dried to produce a beautiful finish. Not as full as the wing plumes, but they add length and fullness for very little cost. Beautiful by itself or can be used as a filler.