• Expandable Storage Space- 18.7"H x 11.4"L x 6.2"D (rolled up) or 23"H x 11.4"L x 6.2"D (expanded). The expandable rolltop backpack (21L to 26L) can hold books, clothes, A4 paper, laptop, umbrella and more. Meeting your different needs for work, school, business and weekend trip.

• Waterproof Fabric- The backpack's waterproof leather fabric and waterproof zipper effectively protect the bag from water. You don’t worry that your files/cloths/laptop/other things will be get wet when you walk in the rain.

• Lightweight & Durable- This rolltop rucksack is made of high quality PU leather fabric which is tear-resistant & crease-resistant. Offers a longer using life. Single bag just only 1.5lbs, very easy to carrying.

• Comfortable Shoulder Pad- The roll top backpack is Extermely Comfortable and features a ergonomic design to reduce strain on your back. Has a thick padded breathable shoulder strap to give you high comfortability even when carrying heavier things. Adjustable buckles to position on your back where it feels best for you.

• Fashion Laptop Backpack- Thoughtfully designed to put style and practicality first.The roll top backpack is your perfect everyday companion. very suitable for daily use, suitable for sports, travel, work, school, university, cycling, hiking & weekend trips, etc.