Le Souk Olivique Olive Wood Coasters with Holder (Set of 6), Medium, Natural We use only olive wood that has been cut with Tunisian Ministry of Agriculture certification as no longer fruit-bearing for olive oil production We finish our olive wood pieces with our own proprietary mixture of soy oil, food-grade paraffin wax (like that used on fruit sometimes) and beeswax Olive wood is only suitable for hand-wash No dishwasher, oven, freezer, or microwave For lasting quality, we suggest reapplying any type of vegetable oil to the olive wood item periodically Simply rub oil in with a paper towel We hand-finish all of our olive wood items so each piece will vary in wood grain and in some cases, the exact cut and shape <a href="https://www.amazon.com/b?node=14770868011"> International products </a> have <a href="https://www.amazon.com/gp/help/customer/display.html/ref=nav_cs_help?ie=UTF8&nodeId=202045290"> separate terms, </a> are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Manufacturer warranty may not apply <a href="https://www.amazon.com/b?node=14770868011">Learn more</a> about Amazon Global Store.