I used this bag for work, but I've only used it about 10 times. The zipper area has some white discoloration. Please refrain from purchasing if you are concerned about this. 3WAY Business Bag Backpack Shoulder Bag PID Grade Series PAT202 2-Room Briefcase Business Brief P.I.D. Grade Ladies Unisex B4 A4 Black Commuting Laptop Compatible Tablet Compatible Large Capacity Black ◇ The main fabric uses polyester with a smooth and durable PVC coating on the surface that prevents water from passing through. Furthermore, the fabric is water-repellent, preventing water and dirt from adhering. (※Not completely waterproof) ◇ 3WAY specification that can be used as a handbag, shoulder bag, or backpack. ◇ The backpack straps can be stored on the back when not in use. ◇ Both the front and back main rooms open in a U-shape, making it easy to take out and put in your luggage. ◇ The front and back main rooms are sized to store B4 size items. ◇ Front main room has 2 open pockets and 1 bottle holder. ◇ The back main room is equipped with a pocket for laptops and tablets. ◇ Two zippered pockets on the front exterior (one inside: open pocket with gusset x 1 / pen holder x 2 / zippered pocket x 1) and one open pocket. The back exterior has a carry-on setup function (can also be used as a zippered pocket). Size: (Body) Approx. H29 x W42 x D12.5cm, (Shoulder strap) Approx. 81-141cm, (Backpack straps) Approx. 72-92cm Weight: Approx. 1370g Material: 420D polyester (PVC coating), Lining: Ripstop polyester, Accessories: Synthetic leather Pockets: [Exterior] Front / Zippered pocket x 2 (one inside: open pocket x 1 / pen holder x 2 / zippered pocket x 1) / open pocket x 1, Back / Carry-on setup (can also be used as a zippered pocket) [Front main room] Open pocket x 2 / Bottle holder x 1 [Back main room] Laptop/tablet pocket x 1 Color: BLACK