✅ Editor’s Pick
✈️ Airline & Flight Travel
🧳 Under-Seat Carry-On
🌬️ Cabin Ventilation
📸 Product Images





🧭 How This Flight Carrier Was Evaluated
- 📏 Under-seat fit (dimensions, flexibility, structure)
- 🧾 Airline-policy alignment (size limits vary by airline/aircraft)
- 🌬️ Ventilation and airflow (mesh coverage)
- 🔒 Security (zippers, clip points, closure reliability)
- 🧳 Airport handling (carry comfort, stability while walking)
- 🧼 Cleaning (removable pad, wipeable materials)
Images ·
Flight Fit Check ·
Boarding & Layovers ·
Price ·
Overview ·
Pros & Cons ·
Final Assessment ·
FAQ
📏 Flight Fit Check (Under-Seat Compatibility)
- 🧾 Compare the carrier’s listed dimensions with your airline’s under-seat requirements
- 🐕 Confirm your dog can turn and lie down comfortably inside the interior space
- 🧳 Soft-sided carriers typically compress better under the seat during flight
🛫 Boarding & Layovers (What Matters in Airports)
- 🧳 Carry comfort: strap/handles for longer terminal walks
- 🔒 Secure closures: reduces risk during security checks and crowded gates
- 🌬️ Ventilation: useful during boarding lines and delays
- 🧼 Easy cleanup: helpful for long travel days
⚙️ Airline & Flight Travel Overview
🌟 Pros & Cons
- ✈️ Built around in-cabin flight needs
- 🌬️ Breathable mesh for airflow
- 🧳 Comfortable to carry through airports
- 🔒 Secure closures for travel environments (model dependent)
- 📏 Under-seat clearance varies by airline and aircraft
- 🐕 Fit depends on dog measurements and carrier interior space
📝 Product Details
Product description
DELUXE COMPUTER BAG (13 Inch) 
Transport your pet comfortably with the Manhattan Portage Sirius Dog Backpack. Designed for pets up to 15 lbs, it features breathable mesh, a top-loading opening, padded ergonomic straps, side pockets for essentials, and a chest strap for added stability, safety, and comfort on the go.
Comfortable & Secure Carry
Sirius Dog Backpack
The Sirius Dog Backpack is designed for comfortable and secure pet carry, featuring breathable panels, adjustable straps, and durable materials for everyday outings.
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Sirius Dog Backpack Merchant Video

Designed for everyday pet carry
Built To Last
Made from our hardwearing Cordura fabric tested to last a lifetime and engineered to withstand New York conditions with best-in-line components to keep up with you all day every day.
Carry, Made Comfortable
A Better Way to Carry Your Pet
Designed for pet owners navigating daily routines, the Sirius Dog Backpack provides a practical, hands-free carry option inspired by urban living.


Our Story
Founded in 1983 with a simple philosophy, “New York Tough,” Manhattan Portage brought the durability of outdoor gear into an urban setting. Using materials like CORDURA nylon and YKK buckles, our bags were built for NYC messengers and DJs and remain trusted everyday companions.

Our Fabric
Built with durability in mind, Manhattan Portage uses 1000D CORDURA Classic nylon in most styles. This fabric offers abrasion, tear, and water resistance, helping bags hold up to everyday use while maintaining their shape.

Find the Right Bag for You
Add to Cart
Add to Cart
Customer Reviews
5.0 out of 5 stars 2
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4.4 out of 5 stars 85
4.0 out of 5 stars 31
Price
EUR 152.58EUR152.58
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EUR 75.86EUR75.86
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Device Size
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Fits up to 15″
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Fits up to 13″
Fits up to 13″
Volume
1400 cubic in | 23 L
665 cubic in | 11 L
1530 cubic in | 25 L
680 cubic in | 11 L
406 cubic in | 6.6 L
Dimension (WxHxD)
11 x 17.5 x 9 inches
11.3 x 17 x 5.3 inches
16 x 26 x 6 inches
13.75 x 11 x 4.5 inches
10 x 12.5 x 3.25 inches
Weight
0.80 kg | 1.8 lbs
0.75 kg | 1.65 lbs
0.45 kg | 1 lbs
0.45 kg | 1 lbs
0.40 kg | 0.80 lbs
Material
420D Nylon
CORDURA twill fabric
1000D CORDURA
1000D CORDURA
1000D CORDURA
Product Dimensions : 11 x 9 x 17.5 inches; 1.59 Pounds
Item model number : 2241-420D-WP
Department : Pets
Date First Available : February 16, 2022
Manufacturer : Manhattan Portage
ASIN : B09SN4D9RL
Best Sellers Rank: #117,239 in Pet Supplies (See Top 100 in Pet Supplies) #268 in Dog Carrier Backpacks
Customer Reviews: 5.0 5.0 out of 5 stars (2) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER
Ultimate convenience with our premium pet carrier, featuring a hassle-free, easy-to-clean waterproof nylon interior. Keep essentials organized with two deep side pockets secured by elastic closures, and a front zippered pocket for quick access to treats or toys.
Ensuring safety and peace of mind, the bagpack features a 16” leash with a secure clip. Your pet will stay comfortable and well-ventilated with a top opening and side panels made from breathable mesh, for better airflow and visibility during travel.
Designed for practicality, this backpack is engineered to stand upright on flat surfaces, providing stability and easy loading/unloading. A removable waterproof nylon cushion adds an extra layer of comfort and is effortless to clean.
Ideal for small to medium-sized pets, our backpack combines functionality with style, making it perfect for trips to the vet, adventures in the park, or airline travel. Elevate your pet’s travel experience with this durable and versatile carrier that meets all your travel needs.
11″ x Front 14″ (Back 17.5)” x 9″ (WxHxD)
420D CORDURA Classic fabric
Water Resistant
🏁 Final Assessment
As an airline-approved dog carrier for airline & flight travel, this option is most appropriate for
owners seeking an under-seat, in-cabin carrier with ventilation and travel handling suited to airports, boarding lines, and flights.
Performance depends on matching the carrier’s dimensions to airline requirements and choosing the correct size for the dog.
- ✅ Best match: in-cabin pet travelers with small dogs
- ✅ Best use: flights, airports, and layovers
- ✅ Priority features: under-seat fit, airflow, secure closures
If the size and materials match what you need, check today’s price and the latest reviews before you decide.
❓ FAQ: Airline & Flight Travel
Does “airline-approved” mean it fits every airline?
No. Under-seat dimensions and pet policies vary by airline and aircraft. Compatibility depends on carrier measurements and airline limits.
What matters most for in-cabin flights?
Under-seat fit, ventilation, secure closures, and carry comfort for airports and boarding lines.
How do I choose the right size for my dog?
Compare your dog’s length/height to the carrier’s interior dimensions listed on the retailer page.
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Prices and availability are subject to change.