This backpack has a clamshell opening that allows it to lay flat like a suitcase for easy packing and access. It features a suspended laptop sleeve with wraparound padding, side lash straps, and a luggage pass-through sleeve. The bag is made of water and abrasion-resistant TuffSkin nylon. It is suitable for long workdays, weekend trips, and can be used as a carry-on. Key features include: Capacity: 35 liters Dimensions: 20"H x 13"W x 8"D Weight: 3.9 lbs Laptop Compatibility: Fits most 13" and 15" laptops Material: TuffSkin Nylon, water-resistant Additional Features: Side access pockets, interior pockets for water bottles, and lash