Unique Double Layer Design: Scalable/closed double layer underground storage container, the height of the expansion before and after the expansion is suitable for different bed spaces from 5.5 inches to 10 inches, flexible expansion to meet various needs, to provide you with flexible storage solutions to meet your different storage needs. Large Capacity Storage: Each under-bed storage box measures 31.5 X 15.7 X 5.5 to 9 inches (single and double height), making it ideal for use as an under-bed storage box, closet storage drawer, etc. It can store seasonal clothes, bedding, daily clutter, etc, to make any room look tidier and cleaner. High-Quality Fabric: Our under-bed storage box is made of high-quality Oxford fabric, which is more durable than cotton and non-woven fabrics, has strong load-bearing capacity, and can accommodate a variety of items, providing you with long-term stable use experience, so that you have no worries. Strong Zipper: The high-quality smooth zipper is made