Marbled poplar, wood of Italian origin, harder than normal poplar, sets also available at a lower cost, which have less marbling, ask for info via email. The presence of woodworm holes may occur, which can be plugged with a composite groutingDimensions Classic Bottom (52cmx19cmx4.5mm)x2 Bands (75cmx11cmx3.5mm)x2 Acoustic Bottom (55cmx21cmx4.5mm)x2 Bands (80cmx12.5cmx3.5mm)x2. The photos are purely indicative. Made with wood dust and glue