The design of our Columbia and Mercer Island Series place an emphasis on clean lines and simple sculpted hardware. Interior space is versatile with a combinations of drawers and door options based on the width of the cabinet, (Width choices: 36 in., 48 in., 59 in., 72 in.) Cabinets are constructed with premium hardwood plywood cores with solid wood braces and brackets. Both series offer four finish colors. North American White Oak is used for colors: Coffee Oak and Latte Oak, while the Glossy White color is applied over Birch and Poplar veneers. An innovative new color: Ash Gray is created with a veneer derived from multiple post-use and new sources, commonly referred to engineered woods. Engineered wood veneers are comprised of reclaimed and cast-off woods. Color: Glossy White w/ Nickel Base.