This black acrylic is a 5-sided box (17"x 17"x 17"), made from black 3/16" thick plexiglass with all edges polished. This box is excellent for multiple purposes. It makes a great storage box, ideal for stores or for home. Black lucite acrylic box can also work as a display stand for products, art work, or house decor. We can also create custom sizes, just send us your desired measurements and we will send you a quick quote.