--- url: "https://onebag.travel/compare/1jv0r1cham/opposethis-invisible-carry-on-backpack/2vc8skysay/patagonia-arbor-roll-top-pack-30l/" title: "OPPOSETHIS Invisible CARRY-ON backpack vs Patagonia Arbor Roll Top Pack 30L" description: "OPPOSETHIS Invisible CARRY-ON backpack vs Patagonia Arbor Roll Top Pack 30L: capacity, weight, dimensions and how many airlines accept each as a carry-on…" source: "https://onebag.travel/compare/1jv0r1cham/opposethis-invisible-carry-on-backpack/2vc8skysay/patagonia-arbor-roll-top-pack-30l/" --- 1. [Home](https://onebag.travel/) 2. [Carry-On Travel Backpacks](https://onebag.travel/carryons/) 3. OPPOSETHIS Invisible CARRY-ON backpack vs. Patagonia Arbor Roll Top Pack 30L # OPPOSETHIS Invisible CARRY-ON backpack vs. Patagonia Arbor Roll Top Pack 30L Two carry-on travel backpacks, compared spec for spec. ## [OPPOSETHIS Invisible CARRY-ON backpack](https://onebag.travel/carryon/1jv0r1cham/opposethis-invisible-carry-on-backpack/) by [OPPOSETHIS](https://onebag.travel/carryons/?brands=OPPOSETHIS) ![Front facing view of the OPPOSETHIS Invisible CARRY-ON backpack](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1630648990/carryons/OPPOSETHIS_Invisible_Carry-On_Backpack_asa5kd.webp)
Capacity21 L
Weight0.85 kg
Dimensions47×32×15 cm
Airline fit92%
Price$255
## Feature by feature | OPPOSETHIS Invisible CARRY-ON backpack | Feature | Patagonia Arbor Roll Top Pack 30L | | --- | --- | --- | | Storage | | N | Compression | N | | None | Expanded Capacity | None | | 1 | Opening | 2 | | Y | Passport | Y | | N | Passthrough | N | | Carry | | Y | Backpack | Y | | N | Hip Belt | N | | Y | Sternum Strap | N | | Inside | | 15in | Laptop | 15in | | 1 | Main Compartments | 1 | | Y | Organizer | Y | | Outside | | × | Hard Shell | × | | N | Rain-fly | N | | N | Water Bottle Holder | N | | Y | Water Resistant | Y |
Material
800x600D lightweight waterproof nylon-polyester blend600-denier 100% recycled polyester, 00-denier 100% recycled polyester
## [Patagonia Arbor Roll Top Pack 30L](https://onebag.travel/carryon/2vc8skysay/patagonia-arbor-roll-top-pack-30l/) by [Patagonia](https://onebag.travel/carryons/?brands=Patagonia) ![Front facing view of the Patagonia Arbor Roll Top Pack 30L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1633310486/carryons/Patagonia_Arbor_Roll_Top_Pack_30L_wdgzqe.webp)
Capacity30 L
Weight0.66 kg
Dimensions69×30×17 cm
Airline fit2%
Price$129
## Key differences between the OPPOSETHIS Invisible CARRY-ON backpack and Patagonia Arbor Roll Top Pack 30L - **Opening:** Clamshell on the OPPOSETHIS Invisible CARRY-ON backpack; Rolltop on the Patagonia Arbor Roll Top Pack 30L. - **Sternum strap:** Yes on the OPPOSETHIS Invisible CARRY-ON backpack; No on the Patagonia Arbor Roll Top Pack 30L. Both have: passport pocket, backpack straps, laptop sleeve, built-in organizer, water resistant. ## Which airlines take each bag as a carry-on We checked both bags against the carry-on size limits of 189 airlines. 4 accept both. 170 accept only the OPPOSETHIS Invisible CARRY-ON backpack, and 0 accept only the Patagonia Arbor Roll Top Pack 30L. ### Only the OPPOSETHIS Invisible CARRY-ON backpack fits Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Baltic, Air Canada, Air Caraibes, Air China, Air Europa, Air France, Air India, Air Koryo, Air Macau, Air Malta, Air Mauritius, Air Nostrum, Air Serbia, Air Seychelles, Air Tahiti Nui, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Azul Linhas, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Boliviana de Aviacion, British Airways, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Caribbean Airlines, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, China Southern, CommutAir, Conviasa, Copa Airlines, Croatia Air, Cubana de Aviacion, Czech Airlines, Delta Airlines, Dragonair, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Frontier Airlines, Garuda Indonesia, Gol Linhas Aereas, Hainan Airlines, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Iran Aseman Air, Island Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Korean Air, Kulula, Kuwait Air, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Middle East Airlines, Monarch Airlines, Nordwind Airlines, Norwegian, Oman Air, Onur Air, Pakistan International, Peach, PenAir, Philippine Airlines, Porter Airlines, Qantas Airways, Qatar Airways, Regional Express, Republic Airways, Royal Air Morocco, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Saudi Arabian Airlines, Scoot, Shandong Airlines, Shenzhen Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Sky Airlines, Skywest, Inc., South African Airways, Southwest Airlines, SpiceJet, Spirit Airlines, SriLankan Airlines, Sun Country, Sun Express, Swiss Int'l Air Lines, TAAG Angola, TAM Airlines, TAP Air Portugal, TAROM, Thai Airways, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, Travel Service Airlines, TUI, Turkish Airlines, Ukraine International, United Airlines, Ural Airlines, Uzbekistan Air, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, WOW Airlines, Xiamen. ## OPPOSETHIS Invisible CARRY-ON backpack vs. Patagonia Arbor Roll Top Pack 30L: which should you pack? The **Patagonia Arbor Roll Top Pack 30L** carries 9L more than the **OPPOSETHIS Invisible CARRY-ON backpack** (21L vs. 30L), while the **Patagonia Arbor Roll Top Pack 30L** is the lighter pack at 0.66kg (vs. 0.85kg). For carry-on flexibility, the **OPPOSETHIS Invisible CARRY-ON backpack** fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Arbor Roll Top Pack 30L; if you want to travel lighter, the Patagonia Arbor Roll Top Pack 30L is the better call.