LAISANIM Rolling Backpack, Carry on Luggage Business Bag, Overnight College .Water Proof Wheeled Laptop Backpack, Computer Bag Trolley Suitcase for Men Women Adults to Travel (Black)

Base: The base is equipped with a fabric fastener tape deign and a high density bottom plate that effectively prevents collision and abrasion. Stiffened and thickened base plate makes standing more stable. Dust proof cloth is effective in preventing dust from dirtying clothes and floors in your home.
^^ Trolley Backpack: The load bearing pull bar can easily support adult weights and is sturdy and dependable. 30 seconds to switch the form of carrying and pulling. And it comes with wheel covers. Adopts telescopic 2 speed pulling rod design. The backpack has reserved 1.5 pulling rod space, so you can enjoy a smoother pulling experience.
^^ Water Proof Fabric: The internal vacuum storage bag can be used to save space for storage. This backpack is made of water proof fabric, which can easily cope with all kinds of weather conditions. The high density fabric is abrasion and scratch proof.
^^ Customs Password Lock: Comes with an anti theft password lock. Three digit password lock design ensures security. Fine crafted metal lock core is strong and not easy to be damaged.
^^ Easy and Effortless: Even climbing stairs it handles with ease. Push and pull without obstruction. It will not tip over. With upgraded light sound wheels, it will not cause disturbance to others.