... impact, absolute seal, moisture-proof, dustproof, waterproof. The box has high strength, high impact, absolute seal, moisture-proof, ... polymer polymerization material injection molding, a strong compression. This box can deposit optical instrument, the camera, camera, photographic equipment ... ( length X width X high unit: mm )Lid / net deep inside the box:27mm/66mmUnit weight:1.1KGProtective waterproof ...