No more gate fees. Guaranteed.
Baggage rules are getting stricter. And that €30–€70 surcharge at the gate? You won't pay it. The FRENKY Trolley and Backpack Underseaters are made to the exact size that flies free under the seat at Transavia, Ryanair, easyJet, Wizz Air, Eurowings and Norwegian. Just board and go.
✔ Cabin Guaranteed 40 x 30 x 20 – Transavia, EasyJet, Eurowings
€169,00 EURBaggage Allowance 2026 | The Ultimate Airline Check | FRENKY®
Baggage Allowance Airline Check 2026
Not sure if your bag is allowed on board for free? Whether you choose the underseater Trolley or Backpack: The FRENKY Underseater is designed around the smart 40 x 30 x 20 cm format. Making it the ideal choice for travellers who want to fly with only a personal item under the seat. Avoid unnecessary baggage fees, travel lighter, and pack surprisingly more thanks to the built-in vacuum technology.
What is an underseat bag?
An underseat bag is a small cabin bag that fits under the seat in front of you. Airlines often call this a personal item, small bag, cabin accessory or underseat bag. This is usually the bag you can bring on board without booking extra cabin luggage. FRENKY is designed as an underseater. That means it is compact enough for the space under the seat, while still offering smart packing features for weekend trips, city breaks and short holidays.
Carry-on vs personal item: what is the difference?
Airline baggage rules can be confusing because every airline uses slightly different wording. In general, there are two common types of cabin baggage:
- Personal item or underseat bag: A smaller bag that fits under the seat in front of you. This is often included for free with your ticket.
- Carry-on or cabin bag: A larger cabin bag or trolley that usually goes in the overhead compartment. With many budget airlines, this type of bag often requires an upgrade or paid add-on.
FRENKY helps you make the most of your free baggage allowance without relying on overhead cabin space.
Why FRENKY is your 100% Guarantee
Airlines are getting stricter, but we designed the FRENKY Underseater to be future-proof. Whether you choose the Backpack or the Trolley, both fit perfectly.
- The Golden Size: Designed precisely around the 40 x 30 x 20 cm format, seamlessly fitting the free allowance of major airlines like Ryanair, Wizz Air, Eurowings, Transavia, and easyJet.
- Squeeze Technology: For airlines with a slimmer depth requirement 40 x 30 x 15 (like KLM, SAS, and Finnair), use the FRENKY Squeeze Hack. Tighten the compression straps to make the bag slimmer and reduce the depth of the bag.
- No Fines: Travel stress-free knowing your compact bag avoids unnecessary baggage fees.
Pack more with vacuum technology
Travelling with only a small bag does not mean you have to bring less. FRENKY’s built-in vacuum compartment helps you compress soft clothing by removing excess air. This gives you more usable packing space while keeping your bag compact enough for underseat travel. Perfect for weekend trips, city breaks, and short holidays!
Frequently Asked Questions
Is FRENKY a carry-on bag or a personal item?
FRENKY is designed as a personal item and underseat bag. This means it is made to fit under the seat in front of you, rather than in the overhead compartment. The 40 x 30 x 20 cm format is specifically tailored for this.
Can I bring FRENKY on board for free?
With many airlines, a small underseat bag or personal item is included in your ticket. FRENKY is designed for this type of baggage allowance. By travelling with a compact 40 x 30 x 20 cm bag, you are much less dependent on overhead cabin space.
Does FRENKY fit under the seat?
Yes, FRENKY is designed as an underseater. The compact 40 x 30 x 20 cm format makes it suitable for many popular airline underseat rules.
What is the FRENKY Squeeze Hack?
The FRENKY Squeeze Hack is a smart way to make your bag slimmer when flying with airlines that have stricter underseat depth limits. Pack the bag slightly lighter, use the vacuum compartment for soft clothing and tighten the compression straps to reduce the bag’s depth.
What should I pack in the vacuum compartment?
The vacuum compartment works best for soft items such as T-shirts, underwear, socks, sportswear, pyjamas and thin sweaters. Avoid using it for fragile items, electronics, toiletries or anything that should keep its shape.
How do I keep my FRENKY compact?
Use the vacuum compartment for clothing, tighten the compression straps and avoid overpacking the outside pockets. Place harder items in separate compartments so the bag keeps a clean, compact shape.