Osmika Black and orange travel backpack with packing cubes

40L Flight Approved Travel Backpack: Expandable Water-Resistant Weekender Bag

Black
$42.87
$42.87 $86.81
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Osmika Black and orange travel backpack with packing cubes
  • Osmika Black and orange travel backpack with packing cubes
  • Person wearing a gray and pink backpack with cityscape background
  • Osmika 40L travel backpack front view showing main compartment and organization pockets
  • Cube capacity combination chart with various cube sizes and a shoe bag, featuring a Nike logo.
  • Black and orange travel backpack with size comparison and flight approval details.
  • Osmika travel backpack side profile view showing water bottle pocket and compression straps
  • Man holding a backpack with detailed features shown on the right
  • Woman with travel backpack and suitcase in an airport, highlighting features like comfortable handle, sturdiness, water resistance, and side pocket.
  • Collage of people using a gray backpack with orange accents in various settings.
  • Osmika travel backpack detail shot showing zipper quality and strap padding
  • Osmika Black and orange travel backpack with packing cubes
  • Person wearing a gray and pink backpack with cityscape background
  • Osmika 40L travel backpack front view showing main compartment and organization pockets
  • Cube capacity combination chart with various cube sizes and a shoe bag, featuring a Nike logo.
  • Black and orange travel backpack with size comparison and flight approval details.
  • Osmika travel backpack side profile view showing water bottle pocket and compression straps
  • Man holding a backpack with detailed features shown on the right
  • Woman with travel backpack and suitcase in an airport, highlighting features like comfortable handle, sturdiness, water resistance, and side pocket.
  • Collage of people using a gray backpack with orange accents in various settings.
  • Osmika travel backpack detail shot showing zipper quality and strap padding
Osmika 40L Carry-On Backpack — Flight Approved, Built for Travelers
🎲 Free gift with every purchase — The Stress-Free Travel Blueprint  ·  Free shipping · 30-day returns
⏳ Sale ends in: 03 : 47 : 22  — Only ... bags left at this price
Osmika 40L · Carry-On Collection
45% Off — Today Only ✓ TSA Approved

The Last Carry-On
You'll Ever Need.

Stop paying checked bag fees. Fits 3–7 days of gear, flies through TSA in seconds, and drops into every overhead bin. Four packing cubes included free.

★★★★★ 4.8 · 2,400+ verified reviews
$38.59 $89.95 Save 45%

Or 4 interest-free payments of $9.65 with Shop Pay or Klarna.

● In Stock — Ships Today Loading stock…
💡 30-Day Risk-Free Guarantee Not the right fit? Full refund within 30 days. No questions, no hoops, no hassle.
  • ✓
    40L Capacity — Fits 3–7 days. One expansion zipper takes it from compact to full.
  • ✓
    180° TSA Flat-Open — Lay it flat like a suitcase. Laptop stays in. Through security in seconds.
  • ✓
    4 Packing Cubes Included — A $40 value, free. Zero packing chaos guaranteed.
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Prefer shopping on Amazon? We're there too — same product, Prime shipping eligible.

🚚 Free Expedited Shipping ✈️️ TSA & Airline Approved 🔄 Free 30-Day Returns ⭐ Quality Guarantee

See It In Action

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Osmika 40L carry-on backpack
40L · 4 Cubes Free TSA Approved ✓
2,400+Verified Reviews
4.8★Average Rating
40LMax Capacity
8+Airlines Approved
30-DayFree Returns
As Seen In
Simple as 1-2-3

How It Works

From empty bag to overhead bin in three steps. That's it.

1
🎰

Start with an Empty Bag

Lay the Osmika 40L flat and open both compartments. Eight organized pockets and four labeled cubes give everything a home before you even start packing.

2
👕

Pack It Your Way

Roll your clothes into the cubes, slide your laptop into the padded sleeve, and drop toiletries in the transparent cube. 3–7 days of gear fits with room to spare.

3
✈️

Fly — Skip the Bag Fees

Lay it flat at security, laptop stays in. Slide it into the overhead bin. Land, grab your bag, go. No waiting at baggage claim. No $35 checked bag fee. Ever again.

Built Different

Every Detail Engineered for the Modern Traveler

📦

Expandable 40L Capacity

One unzip expands from compact carry-on to full 40L. Compress for short trips, expand for longer adventures.

+8L expansion
💻

17.3" Padded Laptop Sleeve

Fully cushioned and isolated. Your MacBook Pro, Dell XPS, or Surface Pro sits suspended and protected.

Up to 17.3"
🔒

Multi-Zone Organization

Front quick-access pocket. Side water bottle holder. Hidden anti-theft back pocket. 8+ pockets total.

8+ pockets
⚡

USB Charging Port

External USB port connects to your power bank inside. Charge your phone at the gate without opening a zipper.

Stay charged
🌞

Breathable Padded Straps

Three-layer construction: durable fabric, shock-absorbing foam, breathable mesh. Comfortable on full travel days.

All-day comfort
💧

Water-Resistant Shell

Durable polyester sheds light rain, café spills, and overhead bin condensation. Your gear stays dry.

Weatherproofed
✈️

180° TSA Flat-Open Design

Lay it completely flat like a suitcase. Laptop stays in its sleeve. Through the checkpoint before the person behind you puts their shoes back on.

Security fast-track
🛒

Trolley Pass-Through Strap

Slide onto your rolling suitcase handle and walk hands-free. The strap locks the bag in place.

Hands-free
How We Compare

Osmika 40L vs. The Rest

Osmika 40L Generic Travel Backpack Premium Brand Backpack
Airline Carry-On Approved✔Varies✔
180° TSA Flat-Open✔✗✗
4 Packing Cubes Included✔✗✗
17.3" Laptop Sleeve✔✗✔
External USB Charging Port✔✗Some
Expandable +8L Capacity✔✗✗
Water-Resistant Shell✔✗✔
30-Day Free Returns✔✗✗
Price$38.59$25–$45$150–$350
The Packing System

4 Cubes. Zero Packing Chaos.

Most bags include zero organization. The Osmika ships with four purpose-built cubes — a $40 value, free.

4 packing cubes
🪟
17×13 in · Large
The Bulk Cube
Jackets · Sweaters · Jeans · Trousers
🪞
13×10 in · Medium
The Daily Cube
Shirts · Shorts · Blouses · Underwear
🪜
12×6 in · Transparent
Toiletry Cube
Toiletries · Skincare · Meds · Cables
👟
#128 Sneakers
Drawstring
Shoe Pocket
Sneakers · Sandals · Dress shoes
Technical Specs

Built to Spec. Built to Last.

Normal vs expanded dimensions

Dimensions & Capacity

Normal dimensions51×35×16 cm / 20×13.7×6.2"
Expanded dimensions51×35×18.36 cm / 20×13.7×7.2"
Total capacityUp to 40L
Laptop sleeveUp to 17.3" laptops
MaterialWater-resistant polyester
Cubes included4 cubes + shoe bag
USB portExternal USB charging port

Airline Compatibility

✓
Delta Air Lines
✓
United Airlines
✓
American Airlines
✓
Southwest
✓
JetBlue Airways
✓
Spirit Airlines
✓
Air Canada
✓
Major EU carriers
Made For

One Bag. Every Kind of Traveler.

💼
The Business Traveler
Monday flights, Friday returns. Laptop protected, shirts wrinkle-free, zero time at baggage claim.
Weekly flyerLaptop essential
🏝
The Weekender
Long weekends, city breaks, national parks. Pack Friday night, unpack Sunday.
3–4 day tripsCity explorer
🖥
The Digital Nomad
You live from a bag. Bali to Berlin — same bag, zero compromise.
7-day packingMulti-country
👪
The Family Tripper
Organized chaos solved. Each family member packs into their own labeled cubes.
Family travelStay organized
Customer Reviews

Real Travelers. Real Trips.

4.8
★★★★★ 2,400+ verified reviews
M
Marcus R.
Sales Director · 40+ flights/year
★★★★★
This is the one.

I fly every week. The TSA open feature saves me 20 minutes per trip. Laptop fits perfectly, shirts arrive wrinkle-free. Haven’t checked a bag in 8 months.

✔ Verified Purchase
J
Jessica L.
Travel blogger · Europe trip
★★★★★
10 days in Portugal — zero checked bags.

Dresses, heels, camera, all my skincare. The shoe bag is genius. I will never travel any other way again.

✔ Verified Purchase
D
Dev K.
Digital nomad · 12 countries
★★★★★
7 months. Still looks brand new.

Southeast Asia, Japan, Mexico. Got caught in monsoon rain in Chiang Mai — everything inside stayed dry. Unreal quality for the price.

✔ Verified Purchase
Our Promise

We Stand Behind Every Bag.

🔄
30-Day Free Returns
Not the right fit? Full refund within 30 days. No questions, no hoops.
🛡
Quality Guarantee
Every bag inspected before shipping. Defective? Replacement at zero cost.
✈️
Airline Approved
Meets carry-on requirements on all major North American and European airlines.
📦
Ships in 1–3 Days
Fully tracked. Your bag leaves our warehouse within 3 business days.
Risk-Free

Your Investment Is Protected

Full 30-Day Returns. Quality Guarantee on every bag. No loopholes, no fine print.

🔄
30-Day Free Returns

Not happy for any reason — full refund, no questions asked.

🛡
Quality Replacement

Any defect found after purchase — we replace it immediately, free.

🚚
Free Expedited Shipping

Every order ships fast, fully tracked. No minimum order required.

Frequently Asked Questions

Yes — collapsed, the Osmika 40L measures 51×35×16 cm (20×13.7×6.2"), which meets Spirit, Frontier, JetBlue, and most US carrier requirements. Thousands of our customers fly these carriers weekly without issue.
With the expansion zipper open, yes — comfortably. Most customers fit 5–7 days using the included packing cubes. Roll lightweight items, fold denser ones. For warm climates, 10 days is achievable.
Absolutely — the sleeve fits laptops up to 17.3 inches. MacBook Pro 14", 15", 16", Dell XPS 15", Surface Pro all fit without issue. The sleeve is padded on all sides and separated from the main compartment.
The Osmika 40L carry-on backpack, 1 large packing cube (17×13"), 1 medium packing cube (13×10"), 1 small transparent toiletry cube (12×6"), 1 shoe bag, and a free digital copy of the Stress-Free Travel Blueprint guide.
The external USB port connects to your own power bank stored inside the bag. Thread the short cable from your power bank through the internal port. Charge devices from the outside without opening the bag. Power bank not included.
Yes. Ventilated padded back panel, wide cushioned shoulder straps, and a sternum strap for weight distribution. The 3-layer strap construction means you stay comfortable even on full days of city walking.

Your Next Trip Starts Right Here.

Join 2,400+ travelers who’ve ditched checked bag fees for good. Cubes included. Travel guide included.