4Knines SUV Cargo Liner for Dogs – Heavy-Duty, Waterproof & Machine Washable


✅ Editor’s Pick


✈️ Airline & Flight Travel


🧳 Under-Seat Carry-On


🌬️ Cabin Ventilation

📸 Product Images

4Knines SUV Cargo Liner for Dogs – Heavy-Duty, Waterproof & Machine Washable

Current Amazon Price
EUR103.21 - EUR86.01
(as of Jan 20, 2026 00:48:55 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

Product description

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1 Small Size

2 Large Size

3 Extra Large Size

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1 Heavy Duty

2 Waterproof

3 Straps & Clips

4 Quick & Easy Installation

4Knines SUV Cargo Liner for Dogs, Trunk Mat Durable Protector4Knines SUV Cargo Liner for Dogs, Trunk Mat Durable Protector

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. 4Knines SUV Cargo Liner for Dogs, Trunk Mat Merchant Video

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Customer Reviews

4.8 out of 5 stars 4,951

4.6 out of 5 stars 848

4.6 out of 5 stars 936

4.7 out of 5 stars 75

4.7 out of 5 stars 2,116

4.6 out of 5 stars 1,034

4.6 out of 5 stars 2,987

Price

EUR 94.61EUR94.61

EUR 111.82EUR111.82

EUR 111.82EUR111.82

EUR 137.62EUR137.62

EUR 86.01EUR86.01

EUR 86.01EUR86.01

EUR 60.20EUR60.20

Hammock

Heavy Duty Materials

Waterproof Seat Bottom

Fold Down Seat Compatible

Middle Seat Belt Access

Arm Rest Access

Available Colors

Black, Grey, Camo, Tan

Black, Grey, Camo

Black, Grey, Tan, Camo

Black, Grey

Black, Grey, Tan, Camo

Black, Camo, Grey, Tan

Black, Grey, Tan

Available Sizes

Small, Large, Extra-large

One size: 60.5″ wide

One size: 60.5″ wide

Regular: 54″wide; XL: 60″wide

Regular: 54″wide; XL: 60″wide

Regular: 54″wide; XL: 60″wide

One size: 54″ wide

Truck Specific

Regular:mid-size; XL:full-size

Crew Cab Trucks

Crew Cab Trucks

Regular:mid-size; XL:full-size

Regular:mid-size; XL:full-size

Regular:mid-size; XL:full-size

Fits mid-size trucks

CUSTOMIZED FIT FOR YOUR VEHICLE – Designed for SUVs and minivans with 60/40 or 50/50 split seats and center cargo pass-throughs, this liner measures 46″ x 82″ (plus 22″ bumper flap) for a snug, stable fit. Fits 2024, 2025, and 2026 models. Built with features you won’t find anywhere else! Adventures with dogs, groceries, and gear are messy—but your cargo doesn’t have to be.
WATERPROOF, NON-SLIP & EASY TO CLEAN – Built with K9-Shield waterproofing to block spills, dirt, and pet hair (seams and zippers not watertight), this cargo liner features a non-slip backing that stays put even on busy trips. Installs in minutes with quick-release clips and cleans easily by hosing down, wiping, or machine washing (Not chew-proof). Convenience features and easy cleanup make life simpler for pet parents and families.
BUILT TO WITHSTAND A TRUCK PULL – Every 4Knines product goes through pull tests, spill tests, and rigorous real-world conditions. Stitched construction (never heat-pressed) prevents tearing and gives you confidence that it holds up to big dogs and heavy loads. Where ordinary covers wear out, ours is built to last!
BUILT TO LAST A LIFETIME – Premium materials and reinforced stitching mean years of protection. This suv cargo liner for fold down seats keeps pets safe and families less stressed on the road. Our USA-based dog-owning team stands behind this because we use it too—your dog is family, and safety isn’t negotiable.
TRUSTED BY DOG OWNERS SINCE 2013 – 4Knines has delivered 15+ iterations of premium seat protection products, backed by a loyal community and ongoing support for rescue and service-dog organizations. Built for the long haul—premium protection trip after trip.

🏁 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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