This Cargo Restraint System Black Diamond from Smittybilt is manufactured from high-quality and durable O.E. soft top material guaranteed to withstand the test of time. Each cargo restraint system from the company is designed to seamlessly fit into the rail channel factory belt, so that it can envelop around the roll bar to guarantee an ideal fit. The cargo restraint system comes with a rear zipped curtain, so drivrs are not limited when it comes to cargo size they can carry.