Lockable Wheels: Equipped with 4 universal wheels for easy mobility. Large Capacity: Each tier of holds approximately 21 liters, providing ample space for your storage needs. Translucent Design: Allows for quick identification of contents. Sturdy Material: Constructed from high-quality plastic, this storage box is and capable of handling heavy loads without bending. Easy Setup: Simple installation process that can be completed in minutes, no tools required.