Come and see our amazing products. Nylon lining zipper seal is made of high quality water resistant and tear resistant nylon. Unbalanced backpack wearing style it has a lot of flexibility.You can think of it as a chest bag and shoulder bag.It can also be worn on the front or back of the body. Multi storage use hanging bag large main compartment with internal open cell phone bag is perfect for small notebook,large cell phone.Front zipper pocket is great for all kinds of small items.Durable,good structure,strong bag body.The shoulder strap is adjustable to meet the different requirements of men and women.It also works for larger people.It is perfect for walking,traveling,biking,hiking,museums, theme parks and everyday use.It's also a great gift for everyone. Pls confirm further with us if any query about packing info, inventory status and time schedule.