CONCEIVED BY PHILIPPE STARCK. THIS LAPTOP BACKPACK INTRODUCES A NEWVISION OF BALANCE BETWEEN VOLUME WEIGHT. THIS PRODUCT IS GIVING AN EXTRA PROTECTION TO YOUR LAPTOP THE POLYESTER 340 D SYNTHETIC FIBRES ACTUALLY ALLOW IT TO OFFER A NORMAL CAPACITY OF 15.00 LITRES (EXPANDED CAPACITY OF 20.00 LITRES) WITH A WEIGHT OF ONLY 1230 GRAMS THIS PRODUCT HAS BEEN THOROUGHLY TESTED TO MEET THE HIGHEST QUALITY STANDARDS AND HAS PASSED THE FOLLOWING SEVERE TESTS DROP TEST LOADED ZIPPERS 5000 x OPEN/CLOSE HANDLE TEST 2500 CYCLES LOADED