Bee Good to Your Wood with All Natural, Food Safe Wood Finish! Preserve is a non-toxic oil for use on everything from butcher blocks and cutting boards, to salad bowls and children's toys. This unique blend of nut oils penetrate deeply into wood fibers preventing wooden-ware from absorbing food juices and odors. Rejuvenate your badly abused wood knife handles, cutting boards, dry cracking salad bowls and unprotected butcher blocks. Preserve is conveniently packaged in an easy to use 8 Oz. bottle.