Neoprene Laptop sleeve 1) Material: neoprene 2) Thickness: 3mm, 4mm, 5mm 3) Size:all kinds of laptop: 12.1',13.3',14.1',15 ... .4' Neoprene Laptop sleeve1) Material: neoprene2) Thickness: 3mm ... , 4mm, 5mm3) Size:all kinds of laptop: 12.1',13.3',14.1',15.4',17'4 ...