The black Veydra 6-Hole Custom Hard Lens Case is a Seahorse 720 hard case with custom cut low-pile top surface foam. The durable airtight, water and crushproof case protects your lenses during transport and storage. It is made from a molded polypropylene resin and contains an o-ring to ensure your lenses remain safe from the elements.The case incorporates an automatic pressure equalization system for quick equalization after changes in atmospheric pressure such as you may encounter during airplane travel. The pressure system is automatically activated by the right side lock when the case is sealed. Securing the case is simple using the two safety latches. Padlock holes molded into the case allow you to use optional padlocks for additional security.Waterproof, airtight, crushproofCustom cut high-density foam with finger indentations so it is easier to grab the lens and pull it from the case.Built-in O-ringsAutomatic pressure purge system; built into right lock and works automaticallyTwo safety latchesTop carry handleMolded-in padlock holes for optional user-supplied locksMeets IPX7 standards (Ingress of water in harmful quantity shall not be possible when the enclosure is immersed in water under defined conditions of pressure and time (up to 1 m of submersion); case tested for 30 minutes