Prep Series Nonslip Cutting Boards by Epicurean, 2 Piece, Natural Set of 2 prep series wood composite cutting boards with black nonslip grip Made in USA from trees harvested under the guidelines of the north America sustainable forestry standards Boards measure 9.5 X 6.5 and 13 x 8.5 Green guard certified, classified "green" product; uses sustainable manufacturing practices; minimal recyclable packaging Safe for all knives; heat resistant up to 350-Degree; handle opening; dishwasher safe; will not harbor bacteria