1 Big Leaf Maple (acer macrophyllum) Back and Sides Set.
Back: 17.3" x 5.9" x 1.0"(44cm x 15cm x 2.6cm) each half.

 Sides: 28.7" x 3.0" x 0.2"(73cm x 7.5cm x 4.8mm)

Flame figure. Quartersawn

No structural defects in the template area.
Thickness planed top and back.
Kiln dried, currently at 10% moisture content.
Natural.