Green Onyx Pencil Decorative Bullnose Molding Trims 3/4" x 12" Matching With Our Mosaic Tiles Bullnose Pencil Molding trims Made from Green Onyx, Chair Rail available in Green Onyx Size: 3/4" x 12"; Color: Green Onyx; Shape: Bullnose Made from One piece of Green Onyx Natural Stone We also Carry Matching solid 12" x 12" tiles and Pre-fabricated Countertops.