With Expertise Built In , the OTR 12” x 24” White Aluminum Trailer Repair Patch offering instant waterproof protection with exceptional adhesion. This heavy duty trailer repair patch is made of rigid 40 mil aluminum with 445 PSI tensile strength. OTR heavy duty parts offer the same form, fit, and function as OE. With comprehensive research, independent testing, and continuous product development, OTR heavy duty parts are sure to keep you and your truck safely on the road. In addition to providing the highest quality of heavy duty truck and trailer parts, you can rely on OTR warranties to be comparable or better than OE and top brands. FleetPride is your First Click in Heavy Duty .