We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

KROSER Premium Laptop Briefcase 17.3" Expandable Water-Repellent Black

SKU CH-NCNY-M036X

Expandable laptop briefcase fits 17.3-inch devices, water-repellent canvas fabric, padded compartment, luggage strap, removable shoulder strap, 2.88 lb

  • Size17.3"
  • TypeDurable
  • Weight1.8 lb
  • Fits up to 17.3" laptops with padded sleeve and velcro strap
  • Expands from 7.5" to 9.5" depth for extra clothing and file space
  • Water-repellent canvas poly fabric protects contents in wet weather
  • Removable padded shoulder strap and sturdy PU handles for comfortable carrying
  • Luggage strap secures bag to trolley handle for hands-free travel

17.3" expandable briefcase for daily commuters

The KROSER Premium Briefcase fits laptops up to 17.3 inches and uses water-repellent canvas poly fabric to protect contents from light rain. An expansion zipper increases the main compartment depth from 7.5 to 9.5 inches, adding room for clothing or extra files. A padded sleeve with a velcro strap secures the computer against bumps.

Depth limit and trolley strap as practical

The bag measures 17 by 12.8 inches at the base, so it fits most airline overhead bins but may be tight under smaller regional seats. When fully expanded to 9.5 inches deep the profile thickens noticeably, which can restrict placement in crowded compartments. The rear luggage strap slides over a trolley handle for hands-free transport through terminals.

Quick setup with one removable strap

The briefcase ships with a detachable, adjustable shoulder strap that clips onto metal D-rings; no tools are required. A common issue is the strap sliding off if the clips are not pressed fully home until they click. The padded top handles stay fixed and provide a firm grip when the bag is carried horizontally.

Highlights

  • Fits up to 17.3" laptops with padded sleeve and velcro strap
  • Expands from 7.5" to 9.5" depth for extra clothing and file space
  • Water-repellent canvas poly fabric protects contents in wet weather
  • Removable padded shoulder strap and sturdy PU handles for comfortable carrying
  • Luggage strap secures bag to trolley handle for hands-free travel

Specifications

BrandKROSER
ModelPremium Laptop Briefcase
Size17.3"
TypeDurable
Weight1.8 lb

Questions about this item

Should I pick the standard or expanded size for a 17.3 inch laptop?

The bag fits up to 17.3 inch laptops in both configurations; the expansion zipper only adds depth from 7.5 to 9.5 inches for extra clothing or files.

What does the 2.88 lb weight feel like when the bag is fully packed?

At 2.88 lb empty, the briefcase stays manageable with the padded shoulder strap and PU handles even when the main compartment is expanded.

How does the luggage strap work with a rolling suitcase?

A knitted rear strap slides over a trolley handle, securing the briefcase upright on wheeled luggage for hands-free travel.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.