Come and see our amazing products. Lightweight design,no shoulder pressure.Soft high quality lining for your comfort Adjustable shoulder straps,comfortable and breathable sponge mesh design on the back to relieve shoulder pressure. Carabiner at the back for easy fastening to a belt.Comfortable airflow foam pad back design,soft multi panel breathable mesh padding,good heat dissipation, provides maximum support for your back.The business backpack is made of high quality waterproof nylon material and thickened back panel to prevent damage caused by collision of items,effectively buffer and protect computers,mobile phones, cameras and other items.The double layer design can store mobile phones,documents,air tickets, etc.and can be quickly taken out when traveling. Pls confirm further with us if any query about packing info, inventory status and time schedule.