Daltile Windowsills and Thresholds 5" x 74" Polished Marble 5/8 Double Bevel Windowsill enhances your windows with its polished marble surface and elegant bevel design. This 5" x 74" windowsill features a 5/8" double bevel, providing a smooth and refined edge that complements a variety of window styles. The marble material is not only durable but also timeless, offering an elegant solution for both new installations and renovations. Easy to maintain and visually stunning, this windowsill brings an added touch of luxury to any room.