These 3 letter boxes are made of cardboard and feature a decorative design. 2 of the large boxes measures 15 inches in width, 10 inches in length , and 4.5 inches in height. The small box is 10” wide, 4” length and 3” high. They are free-standing and do not require assembly. The boxes are hand wash only and come in a pack of 3. The lids close magnetically. Each box has its own unique design. Perfect for organizing small items or displaying as decorative pieces in your space.