Expandable Carry-On Pro

Monos Expandable Carry-On Pro is a 36L, 4.04kg8.9lb rolling carry-on measuring 55.9×35.6×25.4cm22×14×10in. It fits the carry-on size limit of 0 of 36 major airlines and the personal-item limit of 0 of 26. Under the seat, its 25.4cm10in side is over the 20cm7.9in limit at 15 of the 26 airlines it misses. Specs from monos.com, checked September 2026.

Volume: 36Lexpands to 41L
Weight: 4.04kg8.9lb8.9lb4.04kg
Carry-on: 0/36airlines fit it
Personal item: 0/26under-seat limits

Dimensions: 55.9×35.6×25.4cm22×14×10in 22×14×10in55.9×35.6×25.4cm
Price: $365 as of September 2026
Laptop: up to 16"
Opening: n/a
Warranty: not published
Compartments: n/a
Bottle pockets: n/a

Price history

$310.25 at every weekly check since Oct 5, 2026 (3 checks).

Checked weekly on the brand's US store.

Organizer
Water-resistant

Material: Partially recycled polycarbonate hard shell, 1260D nylon expansion gusset, 100% recycled polyester lining, ultra-microfibre vegan leather details, YKK zippers

Hard-shell front compartment with lockable zipper and two pockets for a laptop, tablet or magazines
Wraparound expansion zipper adds 4.06 cm of depth (29.46 cm deep when expanded)
Hard-shell four-wheel spinner with TSA-Accepted combination lock
Measurements include wheels and fixed handles, per Monos

Compare with…

Report wrong data

Last checked: 2026-09. Prices and specs may have changed.

Does the Monos Expandable Carry-On Pro fit airline carry-on limits?

Draw against

Too bigToo big on Ryanair. cabin bag 55×40×20cm21.5×15.5×8in · under the seat 40×30×20cm15.5×12×8in. Bag in cminches, turned to fit.

Flag as a tight fit undercm spare

Airline	Carry-on	Personal item	Cabin-bag weight
Air Arabia	Too bigToo big	Too bigToo big	3kg to pack (of 7kg)6.6lb to pack (of 15.4lb)
Air CanadaCabin bag not on every fare	Too bigToo big	Too bigToo big	No published limitNo published limit
Air FranceCabin bag not on every fare	Too bigToo big	Too bigToo big	8kg to pack (of 12kg shared with personal item)17.6lb to pack (of 26.5lb shared with personal item)
Air India	Too bigToo big	No published limit	3kg to pack (of 7kg)6.6lb to pack (of 15.4lb)
AirAsia	Too bigToo big	Too bigToo big	3kg to pack (of 7kg shared with personal item)6.6lb to pack (of 15.4lb shared with personal item)
Alaska Airlines	Too bigToo big	No published limit	No published limitNo published limit
Allegiant AirCabin bag not on every fare	Too bigToo big	Too bigToo big	No published limitNo published limit
American Airlines	Too bigToo big	Too bigToo big	No published limitNo published limit
ANA (All Nippon Airways)	Too bigToo big	Too bigToo big	6kg to pack (of 10kg shared with personal item)13.2lb to pack (of 22lb shared with personal item)
AviancaCabin bag not on every fare	Too bigToo big	No published limit	6kg to pack (of 10kg)13.2lb to pack (of 22lb)
British Airways	Too bigToo big	Too bigToo big	No published limitNo published limit
Cebu Pacific	Too bigToo big	Too bigToo big	6kg to pack (of 10kg shared with personal item)13.2lb to pack (of 22lb shared with personal item)
Delta Air Lines	Too bigToo big	No published limit	No published limitNo published limit
easyJetCabin bag not on every fare	Too bigToo big	Too bigToo big	11kg to pack (of 15kg)24.3lb to pack (of 33.1lb)
Emirates	Too bigToo big	No published limit	3kg to pack (of 7kg)6.6lb to pack (of 15.4lb)
Frontier AirlinesCabin bag not on every fare	Too bigToo big	Too bigToo big	11.9kg to pack (of 15.9kg)26.2lb to pack (of 35.1lb)
Gol Linhas Aereas	Too bigToo big	No published limit	6kg to pack (of 10kg)13.2lb to pack (of 22lb)
IndiGo	Too bigToo big	No published limit	3kg to pack (of 7kg)6.6lb to pack (of 15.4lb)
JetBlue Airways	Too bigToo big	Too bigToo big	No published limitNo published limit
KLMCabin bag not on every fare	Too bigToo big	Too bigToo big	8kg to pack (of 12kg shared with personal item)17.6lb to pack (of 26.5lb shared with personal item)
LATAM Airlines	Too bigToo big	Too bigToo big	8kg to pack (of 12kg)17.6lb to pack (of 26.5lb)
LufthansaCabin bag not on every fare	Too bigToo big	Too bigToo big	4kg to pack (of 8kg)8.8lb to pack (of 17.6lb)
Norwegian Air ShuttleCabin bag not on every fare	Too bigToo big	Too bigToo big	6kg to pack (of 10kg shared with personal item)13.2lb to pack (of 22lb shared with personal item)
Qantas	Too bigToo big	No published limit	3kg to pack (of 7kg shared with personal item)6.6lb to pack (of 15.4lb shared with personal item)
Qatar Airways	Too bigToo big	No published limit	3kg to pack (of 7kg)6.6lb to pack (of 15.4lb)
RyanairCabin bag not on every fare	Too bigToo big	Too bigToo big	6kg to pack (of 10kg)13.2lb to pack (of 22lb)
SAS	Too bigToo big	Too bigToo big	4kg to pack (of 8kg)8.8lb to pack (of 17.6lb)
Singapore Airlines	Too bigToo big	Too bigToo big	3kg to pack (of 7kg)6.6lb to pack (of 15.4lb)
Southwest Airlines	Too bigToo big	No published limit	No published limitNo published limit
Turkish Airlines	Too bigToo big	Too bigToo big	4kg to pack (of 8kg)8.8lb to pack (of 17.6lb)
United AirlinesCabin bag not on every fare	Too bigToo big	Too bigToo big	No published limitNo published limit
Vietjet Air	Too bigToo big	Too bigToo big	3kg to pack (of 7kg shared with personal item)6.6lb to pack (of 15.4lb shared with personal item)
VolarisCabin bag not on every fare	Too bigToo big	Too bigToo big	6kg to pack (of 10kg)13.2lb to pack (of 22lb)
VuelingCabin bag not on every fare	Too bigToo big	Too bigToo big	6kg to pack (of 10kg)13.2lb to pack (of 22lb)
WestJetCabin bag not on every fare	Too bigToo big	Too bigToo big	No published limitNo published limit
Wizz AirCabin bag not on every fare	Too bigToo big	Too bigToo big	6kg to pack (of 10kg)13.2lb to pack (of 22lb)

Compared in any orientation against each airline's published size limit. A tight fit has under 2cm to spare, so a packed soft bag may not pass a sizer. Set it to 0 to turn the warning off. Weight is what the airline allows in the cabin minus this bag's empty 4.04kg8.9lb. Limits and sources. Own a different bag? Check it against every airline.