Size:15.7 x 3 x 11.8 in,shoulder strap length 31.5-51.2 in ( 80-130cm ),can fit a laptop up to 16 inchesMaterial:Made of 290D twill (100% polyester fiber)Structure:One main pocket with zip closure, There is a pocket on the front of the bag, A separate main bag can fit a laptop up to 16 inches;It has many storage pockets on the other side,can place your files, mouse,,business cards, power adapter, mobile hard disk, data cableOccosion:It is also a very good gift to your family, friends in any festival;and This laptop case bag is perfect for college student, business men, women, teacher to use during travel, office, go to school, can be easily carriedEasy care:Hand washable, not machine washable