Vance Surface Saver 71620BK 16 X 20" Black Built-in Surface Saver Tempered Glass Cutting Board, Black Vance built-in glass cutting boards can extend the life of your countertop or repair damage. Cutting boards can be installed directly into countertop with a sleek and decorative seamless rim. Extend life of countertop or repair damage Sanitary work surface resists stains and odors Durable, long-lasting, impact resistant tempered glass Protects surfaces from heat, scratches, condensation Laminated safety backing