39-40 inches (to middle hole used) x 1.25 inches width. Just check your belt measurements with diagram below: Belt size is always one size larger than your waist or pants measurements. Measure from the base of the buckle (see picture below) to the middle hole used.
There is no fading or discoloration but reflections from the light! Proven to endure all conditions, I personally have worn the same ones for years put them though construction, recreation etc.