Tigernu Slim and light weight laptop backpack made of high quality water proof ,Anti-scratch and Anti winkle Nylon fabric.We are not only providing you a quality backpack,but a convenient ,happy ,joyful experience in your daily life The highlight 1.Anti-theft dual zipper closure type.We use explosion-proof zipper ,it has proof Detonation and anti-theft function keep your valuables away from the thives. The highlight 2.Anti wrinkle ,scratch-resistance .We select the quality Nylon fabric prevention strong ,sturdy and durable. The highlight 3:Adjustable padded strong straps balance the capacity wight effectively and fit body perfectly. The highlight 4 Ergonomic back designed with light weight breathable foam cushion,ensures the dispersion of gravity of the full filled bag. Please kindly note: There might be slightly difference in color because of the computer monitor settings With the difference in the measurements method ,please allow 1" in size deviation.