Really Useful 3 x 35 Litre Storage Box, Clear, Bonus Pack: Amazon.co.uk M1SS (Set of 3 37L Litre Clear Plastic Storage Box With Crystal Lids 4 x 37L Crystal Clear Storage Boxes With Lids Plastic Stackable Collapsible Storage Boxes Durable and Versatile Solutions 37 Litres Crystal Clear Plastic Storage Boxes & Lids Stackable. Discover the versatile PandoraFoldable Storage Box, featuring durable polypropylene construction and a sleek design. Its stackable nature and easy to clean surface make it perfect for keeping your space organized and clutter free. Product Size (Fully Extended): L51 W36 H32cm Product Size (Fully Folded): L51 W36 H8cm Material: Polypropylene Plastic + Thermoplastic Rubber Capacity: 37L Stackable Design Lid included Includes: 3x boxes