High Quality, Safe and Breathable Material : The underbed storage container is made of 100% new three-layer composite non-woven fabric and high quality PVC, breathable, light weight, strong enough and sturdy, with smooth internal air circulation. User-friendly Design : This underbed storage bags have two sturdy handles on the front and side for easy removal. Bimetal zip design, strong and durable. Top transparent window, can easily find the desired items. Large Capacity Storage, Foldable : The size of the underbed storage bags is: 100 x 50 x 18 cm or 39 x 20 x 7 inch, super capacity, you can store anything, and very easy to use when moving. When not in use, the storage bag can be folded and stored to save space.