Features:
- Fashionable with compact and delicate design.
- Super lightweight 5L backpack， constructed by water-resistant nylon fabric.
- Light and thin breathable comfort shoulder straps.
- Come with a 2L water bladder， constructed by non-toxic PEVA， easy to use on / off valve on the bladder.
- Suitable for outdoor activities like cycling， hiking， etc.
- Portable， practical and easy to use.