3FULGear QiDian 40+16 UL Pack vs. Patagonia Guidewater Backpack 29L

Two carry-on travel backpacks, compared spec for spec.

3FULGear QiDian 40+16 UL Pack

Front facing view of the 3FULGear QiDian 40+16 UL Pack
Capacity56 L
Weight0.9 kg
Dimensions80×30×22 cm
Airline fit1%
Price$60

Feature by feature

3FULGear QiDian 40+16 UL PackFeaturePatagonia Guidewater Backpack 29L
Storage
5 Compression N
None Expanded Capacity None
0 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
Y Hip Belt Y
Y Sternum Strap Y
Inside
N Laptop N
1 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder N
N Water Resistant
Material
Nylon00% recycled nylon plain weave

Patagonia Guidewater Backpack 29L

Front facing view of the Patagonia Guidewater Backpack 29L
Capacity29 L
Weight0.96 kg
Dimensions54×35×23 cm
Airline fit69%

Key differences between the 3FULGear QiDian 40+16 UL Pack and Patagonia Guidewater Backpack 29L

Both have: backpack straps, hip belt, sternum strap.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 1 accept both. 0 accept only the 3FULGear QiDian 40+16 UL Pack, and 129 accept only the Patagonia Guidewater Backpack 29L.

Only the Patagonia Guidewater Backpack 29L fits

Adria Airways, Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Canada, Air Caraibes, Air Europa, Air France, Air India, Air Koryo, Air Macau, Air Mauritius, Air New Zealand, Air Nostrum, Air Tahiti Nui, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Azul Linhas, Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, British Airways, Brussels Airlines, Cambodia Angkor Air, Caribbean Airlines, Cathay Pacific, Cebu Pacific, China Airlines, China Southern, CommutAir, Conviasa, Copa Airlines, Croatia Air, Cubana de Aviacion, Czech Airlines, Delta Airlines, Dragonair, EL AL, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, Frontier Airlines, Garuda Indonesia, Gol Linhas Aereas, Hainan Airlines, Hawaiian Airlines, Hong Kong Airlines, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Island Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Korean Air, Kulula, Kuwait Air, LATAM , LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Middle East Airlines, Monarch Airlines, Norwegian, Onur Air, Peach, PenAir, Philippine Airlines, Porter Airlines, Qantas Airways, Republic Airways, Royal Air Morocco, SAS Scandinavian, Saudi Arabian Airlines, Scoot, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Sky Airlines, Skywest, Inc., South African Airways, Southwest Airlines, SpiceJet, Spirit Airlines, SriLankan Airlines, Sun Country, Swiss Int'l Air Lines, TAAG Angola, TAM Airlines, Thai Airways, Tiger Airways, Trans States, Travel Service Airlines, Turkish Airlines, United Airlines, Ural Airlines, Uzbekistan Air, Vietnam Airlines, Virgin America, Virgin Atlantic, WOW Airlines.

3FULGear QiDian 40+16 UL Pack vs. Patagonia Guidewater Backpack 29L: which should you pack?

The 3FULGear QiDian 40+16 UL Pack carries 27L more than the Patagonia Guidewater Backpack 29L (56L vs. 29L), while the 3FULGear QiDian 40+16 UL Pack is the lighter pack at 0.9kg (vs. 0.96kg). For carry-on flexibility, the Patagonia Guidewater Backpack 29L fits 69% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the 3FULGear QiDian 40+16 UL Pack; if you want to travel lighter, the 3FULGear QiDian 40+16 UL Pack is the better call.