Sturdy Cardboard Thick Cloth The cube set is made of non-woven fabric and cardboard, and each cardboard insert is very thick and strong. Convenient handle Simple and stylish handles for pulling out or carrying the box. Foldable Design It can be laid flat when not in use for convenient storage and space saving. Simple to assemble and convenient to use. Fits Cube Shelves Use alone or with a cube bookshelf, cabinet, shelving system. Maximize your storage space! How to Assemble? Versatile Uses Closet These bins fit well in closet systems. They help organize shoes, bags, scarves, and small items. Shelving Units They are made to fit standard shelves. This keeps your space neat and easy to use.