★ USB charging: External USB port provides a convenient charging of your electronics whenever and wherever they are power off.Build-in charging cable provides a convenient charging of your electronic device anywhere.Upgraded USB port increase charging speed up by 50%.Let you enjoy your journey fully.

★ Multifunctional using: It’s not only can be used as a daily travel backpack,but also as a trolley suitcase.The removable buckle is hidable which can easily change a backpack to a trolley bag. Moreover,the backpack can be opened fully,which is helpful for picking up the belongings before your travelling.

★ Unique design: A elastics cord on the left shoulder strap is designed to hang your sunglasses.The specific zipper is made of rubberized 1680D ballistic polyester material,which is water resistant,guarding your electronics and papers from bad weather.Also,you can see the unique Aoking logo printed on the zipper.

★ Durability and safety: The weight lean firmly against the 12cm wilder large wheels which is steady,heavy loading,pulling easily and faster,helping for saving your labour and time.What’s more,the stretching smooth ABS aluminum rod is of 2 adjustable length,which is flexible and labor-saving.

Specifications

Model: SLN98052

Dimensions: 11.42" x 7.48" x 18.11" ( 29 x 19 x 46 CM)

Capacity: Around 50 L

Weight: 2.0 KG (4.41 lb)

Color: Black/Grey

Material: ABS+Polyester

Structure: 1 Main compartment+1 Laptop pocket+1 Accessories pocket+2 water cup pockets+1 Zipper pocket +1 Rain cover

Note: Because it’s manual measurement,there will be some inevitably deviations.

Features

--LARGE CAPACITY: The trolley backpack can be spread out in 180 degree,helping to organize your luggage easily.The main compartment can hold your daily essentials easily,fits for the computer,books,clothes and so on.Another side equips 2 separate zipper pocket,for storing 17 inches laptop and your belongings such as Ipad,telephone,pens,wallet,keys,charger.It is perfect for travel of two or friend gathering.

--MUCH MORE PROTECTION: There is a durable reinforced base with 2 raised rivets to prevent your backpack from fraying and getting dirty.Attached water cover provides best protection from dirty and water,no matter how long you use.Therefore,you will travel at ease.

--BEING DURABLE: Bartack Stitch on all high-load areas,provides strong and long-lasting performance with maximal weight and let your backpack resistant to tears.It can afford the heavyweight of your belongings.

--BREATHABLE FABRIC: Without worrying about the wet situation during summer when you go on travelling,the honeycomb air-hole back pad speed up the air flow between your back and the pack,keeping it dry all the time.