Made of natural tanned leather, stitched with Irish waxed cotton and sealed with the DStrap distinctive red sealing-wax Order made for David's Sinn 20mm to 18mm Order made for David's Sinn 20mm to 18mm Order made for David's Sinn 20mm to 18mm Order made for David's Sinn 20mm to 18mm Order made for David's Sinn 20mm to 18mm DStrap Vintage: Dark Brown vintage strap Natural Tanned leather Special Made: for Gene Flieger DStrap with screw rivets for fixed lugs