* EXTERNAL DIMENSIONS: 19.7 " * 13.8 " * 7.8" (LxHxW), LARGE SIZE for 17 Inch Laptop as well as 15 Inch,14 Inch and 13 Inch Macbook/Laptop.Perfect for Outdoor, day-trip,Sport, business, traveling, college.
* WATERPROOF MATERIAL : Made of Water Resistant and Durable Polyester Fabric with metal zippers.Ensure a secure & long-lasting usage everyday.
* HIGH QUALITY: External pockets on both sides are made of Elasticized Mesh, expands to secure various size water bottles and compact umbrella;not easy get wet and ensure long lasting usage. Serves you well as a professional office business work bag, outdoor travel daypack, and college high school student backpack for men and women.
* STURDY COMFORTABALY: Breathable and adjustable shoulder straps relieve the stress of shoulder. Comfortable airflow back design with thick but soft multi-panel ventilated padding, gives you maximum back support.