19" tall x 23" long x 15" deep
Use Select #1 grade redwood or cedar (knot free).
If you don't mind the look of knots in your project, use a lower cost #2 grade lumber
Two 16" x 24" pieces of 1/4" thick finish plywood (#FPLY4)
Table Saw or Circular Saw
Hand held sabre saw with a smooth cutting, non-chipping blade
Redwood or Cedar does not require a Sealer, however, if using pine High-grade, non-yellowing, semi-gloss UV protected project sealer for outdoor protection (#POLYQT) is recommended.