[Large Storage Space】: This 3 drawer mobile file cabinet offers ample storage space, with one big drawer you can store large stuff. Additionally, it has two top shadow drawers for small stationery 【4 Rolling Casters】: The under desk file cabinet is equipped with five rolling casters for enhanced mobility. you can move it to anywhere you want conveniently 【Interlock System】: This vertical file cabinet features an interlock system with one lock and two keys. This allows you to lock all three drawers simultaneously, ensuring the safety of your valuables and files. The keys are foldable for easy carrying 【Sturdy & Durable】: This Metal filing cabinet is constructed from high-strength cold-rolled steel, providing excellent flexibility and impact endurance. Its strong metal construction allows it to bear a weight of up to 110lbs, making it durable and reliable 【Easy to Assemble】: one assembly instruction is added to guide you how to install step by step,this cabinet can be put together easily within half a hour