The John Boos Chop-N-Slice 16 x 10 x 1 inch cutting board is a great value and it fits into most kitchen sinks for easy cleaning. Chop-N-Slice boards from John Boos are made in the USA and are a great value. Made from hard rock maple, these cutting boards resist deep cuts and warping. John Boos cutting boards are made in the USA and are NSF commercially approved.