Our ash canoe seats are 10” wide x 34" long. The 34” seat has a 10" x 13" seating area, the rail centers are 8-1/2" with a 1-1/2" wide rails. They are assembled with mortise and tenon joinery. Our clear varnish is UV-resistant. Available in clear gloss or unfinished. [Please inquire for availability of Walnut finish - limited quantities].