Underseat backpack · personal item
Cabin Max Metz 20L 40x20x25 Underseat Cabin Bag: size, weight and airline fit
The Cabin Max Metz 20L 40x20x25 Underseat Cabin Bag measures 40 x 25 x 20 cm and fits the personal item limit of 16 of 30 airlines.
Listed outside size
40 x 25 x 20 cm
about 15.7 x 9.8 x 7.9 in · 0.5 kg (1.1 lb) · 20 L
Fits 16 of 30 airlines
See it on Cabin Max's sitePrices change often. Sizes from cabinmax.com, checked October 29, 2026.
What to know before you buy
- Cabin Max lists 40 x 25 x 20 cm (height x width x depth), 20 L and about 500 g.
- Made for the 40 x 20 x 25 cm under-seat size budget airlines used to set; it also fits inside the larger 40 x 30 x 20 cm free bag Ryanair allows now.
Which airlines does it fit as a personal item?
| Airline | Personal item limit | Verdict | Tightest side | Weight limit |
|---|---|---|---|---|
| ANA (All Nippon Airways) | 40 x 30 x 20 cm | Fits | exactly at the limit | — |
| Ryanair | 40 x 30 x 20 cm | Fits | exactly at the limit | — |
| Vueling | 40 x 30 x 20 cm | Fits | exactly at the limit | — |
| Wizz Air | 40 x 30 x 20 cm | Fits | exactly at the limit | 10 kg (22 lb) |
| easyJet | 45 x 36 x 20 cm | Fits | exactly at the limit | 15 kg (33 lb) |
| Avianca | 18 x 14 x 8 in | Fits | 0.1 in spare | — |
| Copa Airlines | 17 x 10 x 9 in | Fits | 0.2 in spare | — |
| LATAM Airlines | 17.8 x 13.8 x 7.9 in | Fits | exactly at the limit | — |
| Volaris | 45 x 35 x 20 cm | Fits | exactly at the limit | — |
| Allegiant Air | 18 x 14 x 8 in | Fits | 0.1 in spare | — |
| American Airlines | 18 x 14 x 8 in | Fits | 0.1 in spare | — |
| Breeze Airways | 17 x 13 x 8 in | Fits | 0.1 in spare | — |
| Frontier Airlines | 18 x 14 x 8 in | Fits | 0.1 in spare | — |
| JetBlue | 17 x 13 x 8 in | Fits | 0.1 in spare | — |
| United Airlines | 17 x 10 x 9 in | Fits | 0.2 in spare | — |
| Jetstar | 40 x 30 x 20 cm | Fits | exactly at the limit | — |
| AirAsia | 40 x 30 x 10 cm | Too big | 10 cm over | — |
| Japan Airlines (JAL) | No size published | Check airline | No size published | — |
| Singapore Airlines | 40 x 30 x 10 cm | Too big | 10 cm over | — |
| Vietjet Air | 40 x 30 x 10 cm | Too big | 10 cm over | — |
| Vietnam Airlines | 40 x 30 x 15 cm | Too big | 5 cm over | — |
| Aer Lingus | 15.5 x 11.5 x 8 in | Too big | 0.2 in over | — |
| Air France | 16 x 12 x 6 in | Too big | 1.9 in over | — |
| British Airways | 16 x 12 x 6 in | Too big | 1.9 in over | — |
| Iberia | 40 x 30 x 15 cm | Too big | 5 cm over | — |
| Jet2 | No size published | Check airline | No size published | — |
| KLM | 40 x 30 x 15 cm | Too big | 5 cm over | — |
| Lufthansa | 40 x 30 x 15 cm | Too big | 5 cm over | — |
| Turkish Airlines | 40 x 30 x 15 cm | Too big | 5 cm over | 4 kg (9 lb) |
| Emirates | No size published | Check airline | No size published | — |
| Qatar Airways | No size published | Check airline | No size published | — |
| Air Canada | 17 x 13 x 6 in | Too big | 1.9 in over | — |
| Alaska Airlines | No size published | Check airline | No size published | — |
| Delta Air Lines | No size published | Check airline | No size published | — |
| Porter Airlines | 17 x 13 x 6 in | Too big | 1.9 in over | — |
| Southwest Airlines | No size published | Check airline | No size published | — |
| WestJet | 16 x 13 x 6 in | Too big | 1.9 in over | — |
| Air New Zealand | No size published | Check airline | No size published | — |
| Qantas | No size published | Check airline | No size published | — |
Compared side by side in the unit each airline publishes, largest side first. "Spare" is the room left on the tightest side.
Specs
| Listed outside size | 40 x 25 x 20 cm (about 15.7 x 9.8 x 7.9 in) |
|---|---|
| Includes wheels and handles? | Not stated by the maker |
| Linear size (L + W + H) | 33.4 in (85 cm) |
| Empty weight | 0.5 kg (1.1 lb) |
| Capacity | 20 L |
| Type | Underseat backpack |
| Brand | Cabin Max |
Questions people ask
What size is the Cabin Max Metz 20L 40x20x25 Underseat Cabin Bag?
The maker lists 40 x 25 x 20 cm (about 15.7 x 9.8 x 7.9 in).
Which airlines does the Cabin Max Metz 20L 40x20x25 Underseat Cabin Bag fit?
On paper it fits the personal item limit of 16 of the 30 airlines we track that publish a size.
How much does the Cabin Max Metz 20L 40x20x25 Underseat Cabin Bag weigh?
0.5 kg (1.1 lb) empty.
Researched from the maker's published specifications, not measured by us. Listings change, so check the size on the product page before you buy.
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