Come and see our amazing products. This bag adjustable shoulder strap,chest strap and waist strap to fit your need. Mesh design on the back for maximum breathability and comfort. Made of 600D Oxford water-resistant and tear-resistant fabric.About 20-25L Multifunctional 3P backpack,can be used for 14-inch notebooks,equipped with a full range of MOLLE system,the bottom can be mounted with moisture-proof pads,fishing gear, etc.And the top can be mounted with tents and other items. Pls confirm further with us if any query about packing info, inventory status and time schedule.