The 3 l safes & lockboxes heavy-duty was specced against the way this space is actually used, not against a brochure. At a glance Type: Key Lockbox Capacity: 3 L Fire Rating: 30 Min Mounting: Wall Price: ৳21.81 The part most missed The 3 l capacity is the practical figure, not a marketing number; it is what fits. In practice Daily duty: handles the regular routine without constant babysitting. First use: no break-in ritual required beyond a quick wipe and a glance at the label. Storage: stows neatly, taking no more room than a loaf tin when out of service. Not the loudest option available — quietly the most sensible one.