These natural slate table mats are a perfect addition to help compliment your dinnerware or table accessory offering. Available with square & round corners to accommodate various rooms & desired finishes. Handcrafted real stone thatâs laser engravable, UV-LED printable, & chalk receptive for one-of-a-kind signs, gifts & awards. These slate blanks feature a rough cut natural edge & sealed surface that provides a rich contrast for personalization. Slate products have been lab tested & meet FDA requirements for food safety. The Slate Collection products are food safe before decorating. Due to various customer fabrication methods we cannot ensure food safety post processing. Cleaning Instructions: Use a clean dry cotton rag sprayed moderately with 70% isopropyl alcohol Slate is natural occurring substance & varies from edge to edge since the surface is defined by a natural cleft, having high & low points. Please adjust your laser accordingly to achieve good results. 9.84" Round Slate Table Mat For Engraving Or Vinyl