Fiberglass, ExcellentCondtion, Ready to GoReally nice slightly used 2004 Brenderup with fiberglass top and fiberglass over marine plywood side panels that will last 20 years. Back ramp with toeholds and two assist struts make lifting ramp easy. Trailer has Brenderup's familiar Inertia mechanical brakes, requiring no brake controller. Tires are almost new and there is a spare with cover. Frame is galvanized steel. Trailer weighs 1400 lbs. Flooring is in excellent condtion. Comes with hay net, trailer tie, hitch with 2" ball and ball lockl. Trailer has current inspection and READY TO GO with NO work needed. This is the best trailer I have ever owned and selling since I no longer have a horse. If you are looking for a lightweight, easy to use 2 horse trailer for horses that are up to 16 hands, this is the one. Please call my cell phone 610-698-0185 with questions, leave message