Three-layer Engineered wood floor: Specification: 1860 x 189 x 15/4 MM, Price: AB: $23.5/sq. M, CD: $22.2/sq. M 1860 x 148 x 15/4 MM Price: AB: $22.0/sq. M, CD: $20.6/sq. M Surface layer: Oak, 1strip Adhesive: National adhesive Paint: Germany Treffert, natural color, six-bottom and two-surface