American-Elm 6mm Baltic Birch Plywood- Pack of 6 Birch Ply Sheets for Arts and Crafts (19.7x11.7 In)PRODUCT DESCRIPTION American Elm Pack of 6, 6mm Thick Birch Ply sheet with 19. 7 x 11. 7 Inch Size. Appearance: Valued for its appealing light color, Baltic birch plywood features a uniform grain, smooth texture, and outstanding durability. Physical Properties: Baltic birch varies in thickness and contains an odd number of plies. The two outer plies comprising the front and back show vertical wood grain that runs lengthwise throughout the sheets.