CoolBell 17.3″ Convertible Backpack/Laptop Bag | CB-500S-[3 in 1] Multi-functional Briefcase for Men Women Business Work Travel

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CoolBell 17.3″ Convertible Backpack/Laptop Bag | CB-500S-[3 in 1] Multi-functional Briefcase for Men Women Business Work Travel


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About this item

  • Convertible Design Laptop bag.Our CoolBELL laptop bag is 3 in 1 convertible desig. We can easily to convert it to backpack, messenger Bag or shoulder bag, the backapck strap can be hidden in a compartment when we use it as messenger bag or shoulder bag.
  • Top quality material and Top manufacturing process. You can always believe CoolBELL convertible bag. Top quality water-resistant clothing, thick inner lining, Smooth zipper and real leather, with top manufacturing process.
  • Bag dimensions: 18.5 x 13.0 x 5.2 inches. It is large capacity for carrying 17.3 inches laptop, 2-3 days summer clothes, and lots of small items you want to carry.
  • 12+ accessory pockets design. This CoolBELL convertible bag includes 12+ pockets, we can organize easily all items that we need to carry out. It is perfect for business, daily work or longtime trip.
  • Lots occasions usage. It is 3in1 design, we can use it as backpack, shoulder bag or briefcase messenger bag. Perfect muti-functional bag for businessman, worker, teacher, doctor, nurse, professor etc.

Additional information

Shipping Weight1 kg



From The Manufacturer

From The Manufacturer





CoolBELL bases on the cutting-edge of fashion trends. Pursuing the best quality of bag category and devoting to providing the best product and service to customers. We make every effort to achieve the best in every detail of design,color, material, sewing, sales and service.Believe CoolBELL,Obtains high quality bag.

  • Focus on quality
  • Whole-hearted service
  • High end design

CoolBELL 17.3 Inches 3in1 Laptop Convertible Bag

always best design for you!

  • Brand:CoolBELL
  • Description: 3in1 Convertible Bag
  • Weight: 2.2 lb
  • Color: Black
  • Material:Oxford Cloth ; 210D waterproof polyester lining; Real Leather
  • Size: 18.5 x 13.0 x 5.2 inches; Fits up to 17.3 inches laptop.
  • This product is not suitable for under 13 years old children.


  • Backpack carrying style
  • Shoulder bag carrying style
  • Briefcase / Mesenger bag carrying style
  • Real Leather zipper pull
  • Luggage belt design: 7.8 inches wide




Backpack style

Comfortable back strap system, easy and convenient to load on your back.

Shoulder bag style

One back pocket for hiding the backpack straps, A removable Shoulder strap been include, when you use it as a shoulder bag.

Briefcase case / Messenger bag style

One back pocket for hiding the backpack straps when you use it as a messenger bag.

More important datas you concern

Measure Your Laptop dimensions!

It is important to take a remeasure your laptop dimensions before ordering. This bag’s laptop compartment’s interior size is: 16.5×12.5×2.0, make sure your laptop’s length and height is under 16.5×12.5 inches.

This bag is compatible most 17.3 inches laptop brands on the market, please don’t worry about it!

Varies pockets and roomy compartments provide you a powerful organization ability, this convertible bag is perfect for your daily use like, office , business trip, travel, work etc.

Interior Dimensions

5 front pockets’ interior dimensions

2x A pockets: 6.0×6.0x0.5 inches (LxHxW)

2x B pockets: 7.0×7.0x0.2 inches (LxHxW)

1x C pockets: 9.0×7.0x1.0 inches (LxHxW)

3 compartments’ interior dimension

Accessory compartment: 17.5×12.5×2.5 inches (LxHxW)

Laptop compartment: 16.5×12.5×2.0 inches (LxHxW)

Clothes compartment: 17.5×12.5×2.0 inches (LxHxW)

More Upgraded Details!





Wider luggage strap design

This luggage belt is 7.8 inche wide, fits most luggage trolley models. Just put it on your luggage when traveling to free your hand.

Hidden real leather handle

To upgrade the quality and carrying feeling, we use real leather to build the handle, also the handle can be hidden in 2 side pockets when us it as a packpack.

Hidden backpack straps design

To upgrade the nice-looking of the convertible bag, we design an exclusive back compartment with zipper to hid the backpack straps when you use it as messenger bag or sohulder bag.

Zipper with real leather pull and lock ring

All outside zippers designed with real zipper pull, and main compartment zipper designed with lock ring, you could use lock to lock it. (notice: this bag doesn’t come with zipper lock)


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