Waterproof Oxford cloth laptop bag

This Waterproof Oxford cloth laptop bag is made of durable nylon fabric and lined with woven cloth. It features alloy hardware and comes in three versions: standard, upgraded, and extended. It has a computer warehouse, sealed front warehouse, sealed rear warehouse, sealed convenience store, pen bag, wallet bag, business card bag, power bag, and debris bag. It weighs between 0.45-0.75kg and can bear up to 25kg. The shoulder strap is adjustable from 80cm to 140cm, and it can be carried by hand, shoulder, or diagonally.