MAUS46301 - Big Leaf Maple, Baritone Ukulele Back & Side Set, Med. to Fine Grain, Excellent Color & Figure, Highly Resonant Luthier Wood, 2 panels each 0.18" x 5.625" X 14.125", S2S, and 2 panels each 0.18" x 3.625" X 21.5", S2S