"Sterling Overlay" means that a heavy layer of sterling silver was bonded (not plated) to the surfaces.. which results in an almost identical appearance to solid sterling silver and much better durability than electroplated buckles.The 3 piece buckle set also has a black leather belt attached to it that measures 42" from tip to tip and is 3/4" wide. The leather belt does show moderate signs of use and some wear. The main buckle measures 2 1/4" x 2" and has an opening to take belts up to 1 wide. The keeper has a 3/4" opening and the end piece has a 5/8" opening. We have HUNDREDS of additional classic vintage American cowboy, western, rodeo, trophy and ranger style belt buckles currently listed for sale.