High quality nylon material,fashion, multi-function and practical design are comfortable to wear | Dimensions: 30*13*40cm/11.8*5.2*15.7inch(L*W*H).With a long crossbody adjustable strap and can be used as a messenger ,chest bag or shoulder backpack. | Internal:The main pocket can hold all your every day needs ,like camera, laptop,sunglasses and some first-aid medicine. A compartment can fit Ipad,a small zipper pocket.A earphone hole connected the main bag, which looks very fashion and cute, which you can listen music when you are riding. | External:3 pockets in the front, 1 zip pocket on the back fit your Iphone 6splus. The side pocket can hold your water bottle. Great for Travel Hiking,Leisure or Outdoor living,sports and everday activities. | 8 pockets in total.It is very light and the volume of Bag can container a 14 inch laptop.It is large enough for a long term journey.