MetalVery Durable15 3/4" x 6 5/16" x 7"Style #�500229 You have them caught, now you need to haul them.� Back up to your loading ramp awith your Little Buster's Cattle Trailer.� Now you're ready to move them to the next pen or pasture, or off to the sale barn they go.� This Cattle Trailer is made of metal and it is very durable.