`- Premium Grade Bardiglio Gray Marble 3 x 12 Marble Tile Polished- Stone Sizes per Piece:* Rectangle Pieces are 3" by 12"* Thickness is 3/8"- Product has a polished/glossy finish.- Carefully selected; consistent in size and finish.- Large quantities are in stock and readily available in both full pallets and containers.- Perfect for use in commercial and residential projects LIST PRICE IS THE PRICE PER SQUARE FOOT. PRODUCT IS SOLD BY SQUARE FEET ONLY.1 SQUARE FOOT OF 3" X 12" TILES CONTAINS 3 PIECES. WHEN YOU PLACE A FULL ORDER, PLEASE BE SURE TO ORDER ACCORDING TO THE NUMBER OF SQUARE FEET YOU NEED.