The GloWear 8004 Hi-Vis Seat Belt Cover is designed with 3.6 oz ANSI 107-approved fluorescent polyester and 2 reflective for easily identifiable seat belt compliance in trucks or other machinery. This seat belt accessory attaches to standard width seat belts using secure hook and loop closures. This high visibility seat belt cover is ideal for those operating vehicles and other machinery where seat belts are required.