Material:Plastic Feature:A.Create your own custom storage solution with the racks used as shelves or dividers; B.Interlocking cubes giving you multiple stacking options; C.Easy to assemble, no tools required; D.Collapsible when not in use; E.They can be either used for storage of CD/DVD, books, shoes, photo frames, clothes or displaying your collections. They are good storage and organization for children rooms, bathrooms, laundry rooms, closets, garages and offices; F.Each set come with 15pcs square & 14pcs rectangle interlocking racks & 24 plastic corner connectors; G.Boxes are delivered flat packed but they are easy to assemble. Size:Oblong:35x17.5cm Cube:35x35cm