The Vanguard Supreme 27F hard case is watertight and airtight up to a depth of 5 meters, dustproof, virtually indestructible, resistant to corrosion and can withstand extreme climate variations. They can withstand temperature variations from -40 °C all the way up to &95 °C. The quick release latches are easy to use and the comfort grip handle is ideal for carrying heavy equipment. With padlock receptacles, it is ideal for airline travel. The Supreme cases are so versatile that they have an unlimited number of applications including photography, military, nautical, police/security, fire/rescue, public safety, sports & recreation and more.