Hard bottom dog car seat extender product view in black

Hard Bottom Dog Car Seat Extender – Back Seat Cover

Black
$109.99 USD
Sale price  $109.99 USD Regular price 
Skip to product information
Hard bottom dog car seat extender and back seat cover with waterproof 600D Oxford, mesh window and storage for cars, SUVs and trucks.

Hard Bottom Dog Car Seat Extender – Back Seat Cover

$109.99 USD
Sale price  $109.99 USD Regular price 
ColorBlack

Free standard shipping to eligible destinations. Processing: 1–3 business days; typical transit: 7–15 business days after dispatch. Shipping details

30-day returns on eligible unused items. Return postage for sizing or change-of-mind returns is paid by the customer. Return policy

Ships to US only

HARD PP SUPPORT PANELS • 600D OXFORD COVER • BRIDGES FOOTWELL GAP

Turn your back seat into a wider, flatter resting deck while shielding upholstery.

Soft hammock covers can sag into the rear footwell when medium or large dogs shift weight. This hard-bottom dog car seat extender combines heavy-duty 600D Oxford fabric with rigid PP support panels—bridging the footwell gap in compatible vehicles while adding side door flaps, a zippered mesh airflow window, and gear pockets.

  • Rigid PP panel base: Helps extend usable rear-seat depth across the footwell gap.
  • Full-coverage cabin protection: Unfolded spread of 205.5 × 164 cm (80.9 × 64.6 in) with zip-up side flaps to guard doors and seats.
  • Breathable mesh window & pockets: Lets rear AC airflow reach your dog while keeping leashes and water bottles organized.

Dimensions & Vehicle Compatibility Checklist

Because rear cabin geometry varies across sedans, SUVs, and crew-cab trucks, measure your back seat bench width, footwell gap, and headrest spacing before ordering.

Specification Metric Measurement Imperial Measurement
Full Unfolded Cover Spread 205.5 × 164.0 cm 80.9 × 64.6 in
Adjustable Side Strap Range Approx. 59–103 cm Approx. 23.2–40.6 in
Product Weight Approx. 2.99 kg Approx. 6.58 lb
Materials & Features 600D Oxford cloth + rigid PP support boards Zippered mesh window + storage pockets + side flaps
Shipping Eligibility United States shipping only United States shipping only

Ideal For: Dog owners with compatible rear bench seats and adjustable front/rear headrests who want a firmer, flat footwell bridge and upholstery protection against claws, fur, and dirt.

Important safety & shipping notice: This product is a seat protector and platform extender, not a crash-tested animal restraint (any supplier structural load figure is not a crash-safety rating). Always pair with a dedicated pet car harness/seatbelt restraint and keep vehicle seatbelts and controls accessible. Compatibility is not universal—measure your cabin first. Ships within the United States only.

Smart features of the hard bottom dog car seat extender including supportive base, zipper mesh window, storage pockets, side flaps and 600D Oxford fabric.
Key components: rigid PP base panels, central mesh viewing/airflow window, storage pockets, and zippered side flaps.

How to Install & Use in Your Vehicle

  1. Position the Hard Base: Unfold the extender across your rear bench seat so the rigid PP panels sit level over the seat cushion and footwell.
  2. Anchor Straps & Flaps: Loop and tighten the adjustable straps around the front and rear headrest posts, then zip and anchor the side flaps.
  3. Verify Seatbelt Access: Confirm the platform sits stable and attach your dog's harness to a separate vehicle restraint before driving.
Three-step setup guide for a hard bottom dog car seat extender with headrest straps, zippered sides and a flat rear-seat base.
Three-step installation: position PP base over the rear bench, buckle headrest straps, and secure side flaps.

Frequently Asked Questions

Will this hard-bottom extender fit every SUV, sedan, or truck?

No cover is universally compatible. Compare the 205.5 × 164 cm (80.9 × 64.6 in) unfolded spread and 59–103 cm straps against your rear bench width, footwell depth, and headrest posts.

Is this product a crash-tested restraint?

No. It extends the resting surface and protects car upholstery, but it has no verified crash-test certification. Use an appropriate pet seatbelt harness separately.

Can my dog see me and get air conditioning in the back?

Yes—the center zippered mesh window allows visibility and airflow between the front and rear cabin.

Do you ship this car seat extender internationally?

No, this item currently ships to addresses within the United States only.

Road-trip preparation: Read Our Pet Travel Planning Guide

Shop With Confidence

Practical Pet Gear, Backed by Simple Support

We focus on useful pet essentials for everyday routines — grooming, walking, travel, cleanup, comfort, and indoor play.

✓

Tracked Delivery

Every order ships with tracking after dispatch, so you can follow your pet essentials from our store to your door.

↺

30-Day Return Policy

Eligible unused items can be returned within 30 days according to our return policy.

🔒

Secure Checkout

Shop confidently with encrypted checkout and trusted payment options.

?

Need Help Choosing?

For sizing, fit, or product questions, email us at admin@shopwithfun.com.

Hard bottom dog car seat extender and back seat cover with waterproof 600D Oxford, mesh window and storage for cars, SUVs and trucks.
Hard Bottom Dog Car Seat Extender – Back Seat Cover
$109.99
Complete the Routine

Complete the Road-Trip Setup

Keep the back seat protected, your dog hydrated and post-trip cleanup easier with practical travel essentials.

Added to cart. View cart
Added to your kit.
  • 5 stars: 9 (90%)
  • 4 stars: 1 (10%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
B
Bridgette Lawson
Keeps dog hair out of the center console

Our aussie used to climb through the front bucket seats while driving. The sturdy mesh barrier keeps him safely anchored in the back while still letting him see our faces.

R
Rochelle Blanchard
Fits the rear seat of my crew cab truck cleanly

Finding an extender that bridged the deep gap behind the front console in a full-size pickup seemed impossible. The dimensions on this unit span the width flush to the door panels.

M
Melanie Kendrick
Side flaps protect door panels from drool and scratches

Our boxer loves leaning his chin on the rear door armrests. The zip-up side wings block his wet jowls and scratching claws from ruining our truck's interior door leather.

R
Reginald Vance
Sturdy platform, headrest clips take effort to snap

The solid bridge plate gave my senior shepherd the stable footing he needed for long road trips across Utah. Only four stars because the heavy-duty plastic headrest buckles were very stiff on my fingers during initial setup.

H
Heath Montgomery
Gives our arthritic mastiff confidence to lie down

Our 10-year-old mastiff was terrified of road trips because his hind legs would shake when the car turned corners. Having a wide, completely solid flat floor gave him the stability to stretch out and sleep soundly.

S
Stacy Drummond
Handles my two energetic labradors effortlessly

We drive up to the lake cabin every weekend with two large dogs. The solid bottom panel doesn't sag or bend under their combined 130lb weight, saving our back seats from mud and nail gouges.

D
Derrick Hensley
Mesh window lets AC vent straight to the dogs

During 95-degree Texas afternoon drives, the center mesh viewport allows cold air conditioning from the front dashboard vents to flow directly into the back cabin floor where my huskies lounge.

C
Colleen Tierney
Saved our leather seats from muddy paw claws

After rainy upland hunting trips, our pointer jumps in covered in red marsh muck. This waterproof cover traps all the standing water, sand, and briars, and wipes clean with a damp shop towel.

B
Brett MacIntyre
No more falling into the footwell on hard stops

My 75lb golden retriever used to slide off the back leather seat into the rear floor gap every time someone braked suddenly on the highway. This rigid extender bridged the void completely, turning the back seat into a flat daybed.

K
Kirk Sterling
Transforms back seats for cross-country moves

Drove 1,800 miles with our two rescue dogs and camping gear. We stored our heavy duffels under the hard platform in the footwell while the dogs rested comfortably on top. Incredible space saver.

Keep browsing

Recently Viewed

Pick up where you left off and compare your favourite pet essentials.