The CleverCrate's interlocking design allows you to stack them neatly when full and when collapsed. These sturdy crates can hold up to 62 litres and can haul up to 45kg of tools, sporting equipment and groceries etc. Ergonomic: Ergonomic side-grip handles makes heavy lifting a breeze Durable: Features a solid wall design to keep small items inside , Weight Capacity: 45kg. Secure: Secure lock tabs lock into position once open to ensure stability for transport. Space-Saving: Collapses shut when not in use and nests together for easy stacking Easy to Clean: Simply hose off or wipe down with a wet cloth.