The S115 features a built-in watertight, crushproof case that is top-loading, with fast access - TSA ready & under seat convenient. The slim case fits Ultrabook™ laptops up to 15", also 17" Apple® laptops. Made for photographers on the go the large sized padded divider compartment holds multiple bodies, lenses, flash, etc. While three air mesh lid organizer pockets perfectly contain fragile accessories. The quick-clip side straps even allow attachment of full sized tripods. Watertight to 1 meter for 30 min* - O-Ring Gasket Sealed and with a rigid front plate to protect camera gear from impact this is the ultimate photography backpack.