This storage bin is made of Cationic , which is a polymer of oxford and flax, so it has these advantages of both: breathable, strong and durable, long service life, perfect for making storage box.There are sewed sturdy plastic support liner on 4 sides, keep shape well, and there is also a foldable bottom plate, you can place at the bottom, keep clothes flat, it will give nice support when you place heavier garments or comforters in.The size is 35×16.5×7inch(90×42×18cm), which fits comfortably under a bed or up on a closet, perfect for comforters, blankets, clothes, quilts, pillows, sweaters and so on.