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 ... and quakeproof to protect your laptop7) Promotion:practical, perfect,vogue, fashion