1. Material: PP alloy 2. High and low temperature resistance: -40-90 degrees Celsius 3. Waterproof rating: IP67 4. Weight: 19x12x08: 0.85 kg; 22x16x9: 1.1 kg; 27x20x12: 1.65 kg 5. Buoyancy: 19x12x08: 1.4 kg; 22x16x9: 2.3 kg; 27x20x12: 4.2 kg 6. The protection of valuables with safety keyholes is more secure, and the buckle is reinforced to prevent the items in the box from falling 7. PP and alloy material, with good heat and cold resistance 8. The gas balance valve ensures that the box is easy to open and close in extreme environments
