1 Flame Big Leaf Maple (acer macrophyllum) bookmatched set.
Back: 57cmx 21cm x 6.6mm (22.4" x 8.2" x 0.25") each side
Sides: 91.5cm x 16.5cm x 4.9mm (36" x 6.4"x .19") each side

Skip planed top and back.
Kiln dried, currently at 10% moisture content.
Natural.