John Boos Block WAL-R18 Walnut Wood Edge Grain Reversible Round Cutting Board, 18 Inches Round x 1.5 Inches John Boos Block WAL-R18 round cutting board measures 18 inches across and is 1.5 inches thick Made in the USA: Each John Boos Butcher Block and Cutting Board is proudly made in Effingham, Illinois by skilled craftspeople using time honored techniques since 1887 This cutting board is made from sustainably sourced, hand-selected solid American Black Walnut Wood This board is reversible, both sides are flat and can be used as cutting surfaces Ideal for cutting and serving pizza Care: hand wash and dry. Apply John Boos Mystery Oil regularly (more often in dry climates, and when the board is brand new), use John Boos Board Cream to seal the wood surface after applying Mystery Oil. Oil and cream sold separately on Amazon 1 Year Warranty: John Boos is proud to offer a one year guarantee against defects in workmanship and materials. R Boards are NSF certified The Professional Choice: Often imitated, Boos Boards and blocks are the preferred cutting surfaces of top chefs and restaurants around the world