Non-Woven Fabric + PVCPremium Material: The underbed storage boxes are made of high-quality, odorless, three-layer composite non-woven thick fabric, foldable and breathable, which keeps clothes fresh for long-term storage. NO cardboard OR metal support inserts, delivered to you folded and packed in a transparent storage bag.90L Large Capacity: Each underbed storage bag has a 90-liter or 24-gallon load capacity, dimensions: 99 (L) x 51 (W) x 18 (H) cm, 18 cm height designed for most underbed spaces, the 6 long Smart Cube bags work well for storing items such as wrapping paper, blankets, linen, bedding, pillows, sheets, duvets, towels, plush toys, seasonal clothes, clothes, shoes, Christmas decorations, Christmas gift wrap and etc. Perfect dorm room storage!Transparent Window: The storage boxes have a large transparent PVC window, which helps you find your items at a glance and easily access what you need. The under-bed organizer is used under beds, in wardrobes, on shelves, or under the sofa. A good choice for room organization and storage.Reinforced Handles: The wide handles on the clothes storage bags are double-stitched with thick fabric, sturdy enough to pull out from under the bed and move around your house, reliable for long-term use.Sturdy Zipper: High-quality stainless steel zippers ensure a long service life, two-way smooth zippers allow it to slide easily, and full zipper closure protects items from dust, pests, and moisture damage. Organize your space with underbed storage bags.