1 Flame Big Leaf Maple (acer macrophyllum) bookmatched set.
Back: 56cmx 22.2cm x 5.4mm (22" x 8.7" x .21") each side
Sides: 85cm x 14cm x 5.5mm (33.4" x 5.5" x .21") each side

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