LAPTOP BAG DIMENSIONS: Exterior size: 18.1 x 13.3 x 1.6 inches (46 x 34 x 4 cm); Internal size:17 x 12.2 x 1.4 inches( 43 x 31 x 3.5 cm). Compatible with 17-17.3 inch laptops ( Lenovo / HP /Acer / Asus / Dell / Fujitsu / Lenovo / Windows / Ipod / Netbook / Samsung / Sony/ MSI/ Google/ Toshiba). Note: Please measure your laptop before order! | WATER-RESISTANT CANVAS: The exterior of the computer shoulder bag is made of water-resistant canvas. Anti tearing & durable. The lining is soft fleece with shockproof foam pad inside. Thick enought to reduce the damage caused by accidental collision, scratch, drop. 360° fully protect your laptop and sundry accessories. | PORTABLE LAPTOP CARRING CASE: Lightweight and slim design. This laptop sleeve is only 1.32LBS(0.6KG). Simple but stylish & practical. Easy to carry. Ideal gift for your friends and families.Versatile for men and women. Suitable for white-collar/business person/teacher/stu etc. | MULTIFUNCTIONAL COMPUTER BAG：Equipped with 1 detachable and adjustable padded shoulder strap(lenght:16.9in/43cm); 2 well constructed and comfortable handles; 1 back strap. You can use it as a shoulder bag/crossbody bag/hand bag/briefcase/computer sleeve. Also available to attach on a rolling luggage to free your hand. | EXCELLENT STRUCTURAL DETAILS: Designed with 1 main pocket for laptop and 2 front pockets for other item, well organized, easily to find things you need. Double smooth zippers,not easy to stuck; Strengthening stitching, anti-cracking. We also provide you a 12-months warranty and a 24-hour online service. Any questions about this computer briefcase, feel free to contact us and you’ll get a satisfactory solution.