Features: The acrylic stands for display come with a hollow bottom, so that they are stable for convenience to store and space saving, and you can store them without taking up too much space. You can share the black acrylic boxes with your family members, collection lovers, neighbors at housewarming parties, birthdays, home gatherings, holiday parties and more. Specifications: Material: acrylic Color: black Size: about 3 x 3 x 1 inches, 4 x 4 x 2 inches, 5 x 5 x 3 inches, 6 x 6 x 4 inches, 7 x 7 x 5 inches and 8 x 8 x 6 inches Package includes: 6 x Acrylic cube display risers Notes: Manual measurement, please allow slight errors in size. The color may exist a slight difference due to different screen displays