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Calpak Sling Messenger 18-inch Sling Style Backpack

by CalPak
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ITEM# 15533143
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ITEM#: 15533143

The Calpak Sling Messenger provides convenient carrying capacity as well as style. The triangular pouch is available in several vibrant colors.

  • Materials: Ripstop
  • Color options: Black, blue, deep red, orange, purple
  • Dimensions: 18 inches high x 13.5 inches wide x 7.5 inches deep (1823 cubic-inch capacity)
  • Product weight: 1.4 pounds
  • One (1) main compartment
  • Buckled front pocket
  • Front accessory zipper pocket
  • Front organizer pocket
  • Self-repairing excel zippers
  • Padded single shoulder strap
  • Additional waist strap
  • Accessory pouch on padded shoulder strap
  • Model No: KB403


Material Nylon
Type Sling
Pattern Solid
Feature Multi-Compartment
Color Black, Blue, Orange, Purple, Red
Laptop and Tablet Compartment Size Over 17 Inches
Dimensions See Details
Warranty 1 year Limited Manufacturer
Model Number KB403
Country of Origin China

Customer Reviews

5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
  • Most Helpful

  • Glenda
    Verified Purchase

    Did not last but two months before the bottom fell out. Would not recommend this backpack.

    Read More
  • Backpack
    Verified Purchase

    Very well made and has many options for smaller objects to be carried.

    Read More
  • day pack
    Verified Purchase

    This was larger than I could use as a small person.

    Read More
  • Most Recent

  • My son loved it.
    Verified Purchase

    it made it half way through the school year, would definately by this item again.

    Read More
  • Exactly What I Needed
    Verified Purchase

    I purchased 2 of these almost 2 years ago for both my partner and myself. They're a great size & hold up well with consistent weekly use.

    Read More
  • Perfect for me
    Verified Purchase

    Just the right size to travel with internationally.

    Read More
  • Sling backpack
    Verified Purchase

    Thank you. My grandson loves it

    Read More
  • Gift
    Verified Purchase

    My uncle enjoys this pack for hiking and even carrying items around town.

    Read More

Questions & Answers

  • Q:

    "would a 3 ring binder fit in this bag? what is the width at 12" height"

    • A:

      Hello gparry96, thank you for your inquiry. Unfortunately, the information you have requested is currently unavailable. You will receive an email notification once an answer is posted. Have a great day.

  • Q:

    "Hi, is the sling meant to go diagonally across the body or just over the shoulder? Is it long enough for a large man?"

    • A:

      Hello MaryLou, this has a 19" shoulder drop and it's suppose to go just over the shoulder. Please let us know if you have any further questions.

  • Q:

    "Why did you choose this product?"

    • A:

      Looks like what I need for my upcoming vacation

    • A:

      My old sling messenger backpack started to fall apart. This style works well for bicycle commuting.

    • A:

      its cool!

    • A:


    • A:


    • A:

      My grandson wanted this for school. He is going into 1st grade.

    • A:


    • A:


    • A:

      Style, size and price.

    • A:

      Thought if would be good for international travel.

    Read more Read less
  • Q:

    "Does this have a mesh water bottle holder?"

    • A:

      Hello Peggy, no, this bag does not have a mesh water bottle holder. I hope this helps. Please let us know if you have any additional questions. Thank you for shopping with us!

  • Q:

    "Is the outside pocket secured with a snap buckle or strap buckle?"

    • A:

      Thank you for your question danarv. The outside pocket is secured by a snap buckle. Have a great day.

  • Q:

    "1) If a laptop were 15.1" x 11" x 1", would it fit in the main compartment? 2) Could an iPhone be slid/wedged/fit in the front-strap pouch?"

    • A:

      Thank you for your inquiry, threedukes. Yes, your laptop and your iPhone should fit just fine. Please let us know if you have any other questions. Thank you for shopping with us.

Shopping Tips & Inspiration

Shipping & Returns

Contact Information
Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
Standard shipping details
Expedited shipping details

Standard Return Policy:

Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.