This O SCALE DOUBLE TRACK TUNNEL PORTALS (set of 2) model railroad train scenery is hand crafted at MrTrain.com in Western Pennsylvania.  The tunnel portals O scale measure 13 1/2″wide by 9 3/4″ tall and are made from polystyrene foam with a wooden cap. The opening measurements are 9″w by 6 3/4″ h. Great for running two trains side-by-side through one tunnel and they can be used with Fastrack, tubular track or other similar train track systems. We offer bridges and walls that match these double track tunnel portals to make a great addition to your model train layout. Share your photos on our Facebook page and join other train groups to learn more about the model train hobby. Scenery to fit your 1:48 scale train layout is made in the USA. We hope your enjoy our products and we suggest finding trains for your hobby at places like Berkshire Station, Lionel or Mario’s Trains. If you are building a mountain on your train layout, there are lots of videos on Youtube to use O scale double track tunnel portals from MrTrain.com.