Tri-Fold screen is made of heavy wall schedule 40 aluminum 1.9" O.D. pipe.  Main 8' x 8' screen with two 8' x 4' wings provides overall 8' H x 16' W protection.  Includes two 8" transport wheels.  Wings easily fold in for transport & storage.  All slip-on double netting is #60 (3mm) weather treated, 1- 3/4" black mesh.  Ideal for 2nd base/infield protection.  3 Year Limited Warranty.  Complete unit 8' x 16'