Grip Rite® OSF4X100 4' x 100' Orange Safety Fence. Grip-rite barrier fence® is available in three grades and a variety of grid styles for use as a visual barrier for construction, recreation, crowd control and lawn and garden applications. Produced from a blend of uv treated polypropylene and polyethylene, grip-rite barrier fence is flexible, strong, reusable, recyclable and long lasting.