Stillwater Trailer Sales has an Elite 20' Pen Trailer 6.8 x 20 x 6' Tall. 2009 Elite Show Trailer. 8 Adjustable Pens 60/40, Insulated Roof, Vents, Plexiglass, Plexi Storage, AC, Fans, Rubber Mats, Front Tack Room with Walk Through Door, Escape Door, Rear Ramp, Aluminum Wheels, Spare Tire... 11230 Rob & Bre Jurgensen Welcome You to Stillwater Trailer Sales! Take a look at our wide variety of Horse and Livestock Trailers for sale. We have many trailers to choose from, NEW AND USED! With new inventory always on its way, call us if you don't see what you are looking for! Looking for something custom built? You've come to the right trailer place!