A3 File Bag Portable Zipper Oxford Cloth Waterproof 8k Sketch Drawing Art Storage Bag Canvas Bag School Office Filing Products

Larger capacity in the bag
Can store daily office equipment, laptops, and A4 files
IPAD, glasses, mobile phone, power bank 

Front and rear zipper pocket design 

Thickened hemming is not easy to deform
Thicken the edge of the body, qualitatively flexible

Smooth zipper
Custom texture hardware, smooth and easy to pull without oxidation 

Widened portable design
Hand-held and non-slip, no scratching, durable and more comfortable