This box is open, with solid sides. Great size and style for curated gift boxes, product packaging and for use in home storage. Outside dimensions: 7.5" x 7.5" x 3.75" Inside dimensions: 6.75" x 6.75" x 3" Solid nesting lid (not attached; has slats underneath to hold it in place) Made from pine, sustainably sourced in the Pacific Northwest and manufactured in Utah. [This style is available in other sizes by request.]