Here is a computer case designed to protect your laptop from watertight, crushproof, and dust proof. The Pelican 1495 CC1 Deluxe Computer Case fits 17″ laptops. It has a shock absorbing tray and lid organizer. It also has a 3 dial combination lock.
This case comes with an o-ring seal and automatic pressure equalization valve. It also has a padded shoulder strap.