Body: 7 layers of plywood birch, 9 mm (0.35″) Back: 5 layers of plywood birch, 7 mm (0.28″) Front board: 3 layers of plywood birch, 3 mm (0.12″) Feet: Anti-skid rubber Strings: 2 pairs, adjustable, mounted in V-pattern Edges: Ergonomic side and front edges Special feature: Additional bongo-like playing surfaces on the sides (high note on the left and low note on the right) Included: Tuning key Dimensions: 30 x 33 x 48 cm (11.81 x 13 x 18.9″) Net weight: 5.15 kg