Custom Reflective Belts Aka PT belts are made from a fabric that reflects light back to its source. This is most useful for nighttime driving and construction work, when workers need to be visible. The reflective material is usually silicone or polyester and the belt can be worn around the waist or over one shoulder in order to align with traffic lights on the side of the road. Reflector Belts Ours are made with the printing on the inside of a clear layer which protects the images from chemicals and wear. It also makes them easier to clean. Check out our humorous blog on reflective belts.