1)The Diversion Tumbler Steel Can Safe acts as a real drinking bottle, with a secret compartment on the bottom. Easily unscrew and store your valuables discreetly. Nobody will think to look inside the bottom of this stylish bottle, use it at home, or on-the-go! Great for at the or at the beach. 2) Drink your water AND store your valuables at the same time! 3)It has a huge bottom stash space to hide credit card, car key etc. 4)Also the body is vacuum and keep water warm and cold at least 12 hours. Durable Stainless Steel Size: 8.5*8.5*27cm（3.3*3.3*10.6‘’） Water Storage Space Size: 5.7*5.7*10cm（2.2*2.2*3.9‘’） Valuables Storage Space Size: 7.2*7.2*10cm（2.8*2.8*3.9‘’） In addition, we will give you a food grade smell proof bag to save your valuables!!