PetSafe 3-in-1 Dog Harness: Comfortable No-Pull Design for Medium Dogs


✅ Editor’s Pick


✈️ Airline & Flight Travel


🧳 Under-Seat Carry-On


🌬️ Cabin Ventilation

📸 Product Images

PetSafe 3-in-1 Dog Harness: Comfortable No-Pull Design for Medium Dogs

Current Amazon Price
EUR22.55
(as of Jan 20, 2026 00:27:25 UTC)
Prices and availability can change. Amazon’s price at checkout applies.

🧭 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)

📏 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
📝 Airlines and aircraft layouts differ; approval depends on measurements and under-seat clearance.

🛫 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

✈️ Best Use In-cabin flights, under-seat carry-on pet travel
📏 Under-Seat Fit Flexible structure to adapt to under-seat space (model dependent)
🌬️ Ventilation Mesh panels designed to maintain airflow
🔒 Security Closures aimed at reliable travel use (zippers/clips vary by model)
🧼 Cleaning Removable pad or wipe-clean materials (model dependent)

See reviews + more photos on Amazon


👉 View on Amazon (Reviews + Photos)

🌟 Pros & Cons

✅ Pros

  • ✈️ Built around in-cabin flight needs
  • 🌬️ Breathable mesh for airflow
  • 🧳 Comfortable to carry through airports
  • 🔒 Secure closures for travel environments (model dependent)
⚠️ Cons

  • 📏 Under-seat clearance varies by airline and aircraft
  • 🐕 Fit depends on dog measurements and carrier interior space


📝 Product Details

Enjoy safer, more comfortable walks and car rides with the PetSafe 3-in-1 Harness, a versatile, dog chest harness that supports gentle behavior training and everyday use. Crafted with breathable straps and durable anti-pull structure, this no-choke, no-pull dog harness uses a front chest leash attachment and patented Martingale loop design to help redirect attention and stop pulling through gradual pressure. Designed for convenience and safety, the easy-fitting belly straps offer hassle-free wear, while the seat belt loop transforms the harness into a car restraint for travel-friendly use on adventures. Reflective stitching enhances nighttime visibility, and the lightweight design ensures comfortable use for your dog across all activities. Whether you’re walking, jogging, or traveling, the comfortable soft fit and easy control handle of the PetSafe 3-in-1 Harness make it possible to enjoy lunge-free walks and teach leash obedience without compromising your dog’s comfort and safety. Since 1988, PetSafe has been driven by a simple belief: safe, healthy pets lead to happier lives for pets and their families. For over 25 years, we’ve been dedicated to enhancing the lives of pets and the people who love them, treating every pet as a cherished family member and delivering life-changing innovations designed to enrich every moment. With U.S. roots and a global reach, our vet- and trainer-recommended products are built for every pet and backed by exceptional customer support. From backyards to dog parks, we’re on a mission to create fields of joy for happy, healthy, and safe pets.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 6.12 x 2.12 x 9.81 inches; 11.76 ounces
Manufacturer recommended age ‏ : ‎ 1 month and up
Item model number ‏ : ‎ 3IN1-M-PLUM
Date First Available ‏ : ‎ May 11, 2017
Manufacturer ‏ : ‎ Radio Systems Corporation
ASIN ‏ : ‎ B0716SZ2TY
Best Sellers Rank: #6,190 in Pet Supplies (See Top 100 in Pet Supplies) #7 in Dog Halter Harnesses
Customer Reviews: 4.3 4.3 out of 5 stars (9,840) 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); } }); });
Versatile Dog Harness: The PetSafe 3-in-1 Harness has three leash attachment options for use as a standard harness, no-pull solution for daily walks, or seatbelt loop safety restraint for car use
Quality Design: Martingale loop and front chest leash attachment apply gradual pressure for gentle behavior training to help reduce pulling and gagging
Comfortable & Secure Fit: Breathable, reflective nylon gives visibility in low light, and the soft padding provides a comfortable fit whether you’re going on runs or daily walks
Global Mission, Local Care: With U.S. roots and worldwide reach, PetSafe delivers vet- and trainer-recommended solutions and exceptional customer support to create fields of joy for pets
25 Years of Trust: Since 1998, PetSafe has created safe, innovative, and trusted products that bring joy, enhance pet lives, and support the lifelong bond between pets and their families

🏁 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.


🛒 Get It on Amazon (Check Availability)


❓ 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.

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