It passes as carry-on luggage with Ryanair and Wizz Air. And it costs under seven hundred

  • The Kingsons Anti-theft Backpack is a 16-liter laptop backpack for up to 15.6" with hidden zippers and an integrated USB port
  • With code ALZADNY20 it costs 639 CZK instead of 799 CZK
  • Rated 4.8 out of 5 by 141 customers and meets carry-on luggage limits for both Ryanair and Wizz Air

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Jakub Kárník
Jakub Kárník
15. 9. 2026 00:30
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A backpack with a laptop in a crowded subway or on vacation in a foreign city is an easy target for pickpockets. You can now buy the Kingsons Anti-theft Backpack with code ALZADNY20 for 639 CZK instead of 799 CZK, and 141 reviews with an average of 4.8 out of 5 suggest that for this price, there’s little to fault.

👍 Get it if you commute by public transport, travel, or want a backpack that can handle a laptop, documents, and personal items.
🤔 Hesitate if you need a large volume – 16 liters is enough for a day in the city, not for a multi-day trip.
💰 Price tag: 639 CZK for a backpack with a USB port, water-resistant finish, and a two-year warranty.

Hidden zippers do more than they seem

The principle of anti-theft backpacks is simple: the zippers are not visible from the outside because they are hidden in the seams or on the back. A pickpocket in a crowd therefore has nowhere to reach without you noticing – and that’s the whole trick. It’s not an impregnable safe, but a deterrent obstacle that is sufficient for common opportunistic thefts on the subway, at the station, or in tourist-heavy areas.

The interior can hold a laptop up to 15.6 inches in a dedicated pocket, and the main compartment is divided by an organizer, so cables, charger, and documents don’t end up in a single pile. The 16-liter volume is just right for daily commuting: a laptop, snack, bottle, and an extra sweatshirt. The backpack weighs only 660 grams and has a breathable back panel, so your shirt won’t stick to your back in the summer.

Two practical features. The integrated USB port allows you to charge your phone from a power bank inside the backpack without having to open it – you simply plug the cable in from the outside. And the strap for attaching to a suitcase means that at the airport, you can slide the backpack onto the suitcase handle instead of carrying it on your back.

Passes even with low-cost airlines

With dimensions of 45 × 29 × 15 cm, the backpack meets the carry-on luggage limits for Ryanair, Wizz Air, Smartwings, Lufthansa, KLM, and Turkish Airlines – and with easyJet, it even passes as a small free under-seat bag. This is crucial for low-cost airlines, as the surcharge for larger luggage often costs more than the backpack itself. However, Alza warns that airlines sometimes change their conditions, so check them before your flight.

Realistic expectations at the end: the material is polyester with a water-resistant finish, meaning resistance to rain, not waterproofness – in a downpour, the backpack alone won’t save your laptop. And 16 liters is too little for multi-day trips; this is a backpack for the city and for one to two days. But for 639 CZK, it’s a solid piece with features you’d pay multiple times for with more expensive brands – and 141 reviews with an average of 4.8 speak for themselves.

Do you worry about backpack security on public transport or while traveling, or do you leave it to chance?

About the author

Jakub Kárník

Jakub is known for his endless curiosity and passion for the latest technologies. His love for mobile phones started with an iPhone 3G, but nowadays… More about the author

Jakub Kárník
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