Brand accessories make brand bag.SBS brand zipper and YNS brand buckle.Reinforced all contacted place with Bartack Process.</br>Made of rain proof nylon materialsso if it rains you don't have to worry about anything that it is inside.</br>Super lightweight and folds easily.Can be folded into a small pouch and expanded to a large backpack.Great for the gym and travel.</br>The 3D breathable mesh strap can keep your cloth dry and is good for your shoulder health.</br>Good organisation.1 main pouch and 4 small pouches.It can easily hold iPad 4/5/6bookA4 magazineiPhone 6 plus and water bottle.Capacity:15L Weight:0.49 lb.</br></br>Product Description</br></br><p><b>?WATERFLY ENJOY YOUR LIFE</b><br> We focal on outdoor bags.The best quality is our culture.<br> <br> <b>?Description:</b><br> "Five colors:BlackOliveBluePinkPurple.<br> "It is <b>rain proof</b>.Please do not immerse it fully in water.<br> "The shoulder strap can adjust from <b>39.3 to 55.1</b> inchesit <b>fit most adult</b>.<br> "The strap phone pouch is 2.9x7.48x1.57 inchesit can easily hold 4pcs <b> iPhone6 plus</b>.<br> "The main pouch is 13.7x5.1x17.3 inchesIt can hold you <b>bookiPad 4/5/6</b>iPhone 6 / 7 plus??lots of snacks and chocolate??a guide book?? maps and other daily items.<br> ?There is a small zipped pouch in main pouch to hold your wallet??bank cards??keys and some valued items??it is 7.8x8.2 inches and it is the size after folding.<br> ?And there is a <b>key buckle</b> t