Low Range Chests. They are the most economical and although they have a very competitive price, they present reasonable doubts regarding safety and quality of materials. We do not sell them and look at the next vacation they can clearly differentiate. They usually have holes and are helped by straps or ropes so that they are tightly closed.
Mid-range chests. The vast majority. They look for the balance between quality / price. They usually have opening on both sides, anti-theft locks with several anchor points, automatic hooks to the bars, thickness of at least 5 mm, endures to leave the bars embedded, etc ...
High Range Chests. Those who want something else ... Diffusers for aerodynamic flow, interior light, carpet, well-known manufacturers, etc ...