Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Finally — A Stable Hard - Bottom Back Seat Platform for Larger Dogs - 0
Yoyoco

Hard-Bottom Dog Car Seat Extender for Large Dogs
No Sagging. No Sliding. Real Support for Large Dogs. Supports 55–100 lbs • Free US Shipping • 30-Day Returns

Soft seat covers collapse. This reinforced extender stops sagging, giving your dog a secure space during every ride.
Most back seat covers are just fabric — they sag under weight and leave dangerous gaps between seats, especially with large dogs. Our hard support panel creates a stable ride zone, preventing sliding and improving comfort for every trip.
  • Reinforced hard-bottom support panel prevents sagging and collapse
  • Creates a stable, flat platform for medium & large dogs (55–100 lbs)
  • Helps prevent slipping into the footwell during sudden stops
  • Waterproof, non-slip and scratch-resistant for everyday car travel
⭐⭐⭐⭐⭐ “Actually stays flat — no more sagging.” — Callum R.
Ships from USA — Free Delivery in 3–5 Business Days
$129.99
/
Tax included. Free US Shipping.
Save $20 — automatically applied at checkout
Limited quantities available.
Built to solve the sagging gap problem most dog seat covers can’t.
Color
Fast & Free US Shipping — Delivered in 3–5 business days
30-Day Money-Back Guarantee — No questions asked
No hidden fees — What you see is what you pay
Limited availability — restock dates vary
  • In stock, ready to ship
  • Inventory on the way

🐕 Stable Support for Safer Rides

Most dog seat covers are just fabric — they sag under weight and leave dangerous gaps between seats. This hard-bottom dog car seat extender is built differently.

Designed with a reinforced PP hard support sheet, it creates a flat, stable platform that helps keep your dog secure during braking or sudden stops.

🛡️ Protects Your Car — And Your Dog

• Full back seat & footwell coverage
• Keeps mud, fur, spills and scratches off your interior
• Helps prevent dogs from sliding into the footwell
• Designed for medium & large dogs (55–100 lbs)

This is not just a cover — it’s a support platform.

🧱 Heavy-Duty 8-Layer Construction

Built for real-world use with larger dogs:

• Wear-resistant Oxford cloth surface
• Waterproof coating to block spills and moisture
• Cushioned comfort layers
• Reinforced PP hard sheet (core structural support)
• TPU waterproof layer
• Anti-slip bottom for added stability

Reinforced to support up to 440 lbs of structural weight.
Won’t easily deform or collapse during normal use.

🌬️ Comfort Features Dogs Actually Notice

• Breathable mesh window for airflow & visibility
• Helps reduce separation anxiety during drives
• Built-in storage pockets for leashes, bottles & treats
• Includes dog seat belts for extra safety

🚗 Extended Size – Fits Most Vehicles

• Size: 77.6 × 60 inches (L × W)
• Spacious enough for one large dog or multiple dogs
• Fits most cars, SUVs and trucks
• Requires rear headrest bars for installation

Provides extra space and stability compared to standard seat covers.
Please measure your back seat before ordering.

✅ Who This Is For

• Dogs weighing 55–100 lbs
• SUVs, sedans & most family vehicles
• Dogs that slip, slide or feel unstable on soft seat covers

❌ Not Recommended For

• Toy or very small dog breeds
• Front-seat-only setups

⚙️ Easy Installation & Cleaning

• Adjustable headrest straps & buckles
• Installs in minutes — no tools required
• Easy to clean: wipe, vacuum, or hand wash

📦 What’s Included

• 1× Hard-Bottom Dog Car Seat Extender
• 2× Long adjustable seat belts
• 1× Short seat belt
• 1× Storage bag

Quick Answers (Before You Buy)
Q: Is this really hard-bottom or just padded fabric?
A: It includes a reinforced PP hard support sheet inside the base, creating a flat, stable platform that won’t easily sag or collapse like soft fabric covers.
Q: What size dogs is this best for?
A: Recommended for medium & large dogs (55–100 lbs). It’s spacious enough for one large dog or multiple medium dogs.
Q: Will it fit my car or SUV?
A: It fits most cars, SUVs, and trucks with rear headrest bars. Unfolded size is 77.6 x 60 in. Please measure your back seat before ordering.
Q: Does it help prevent slipping into the footwell?
A: Yes. The reinforced base helps reduce seat sagging and creates a more stable surface, which helps prevent slipping during braking or sudden stops.
Q: How long does shipping take?
A: Ships from the USA and typically arrives in 3–5 business days.
Q: What if it doesn’t work for my dog or car?
A: We offer a 30-day money-back guarantee. If it’s not a good fit, you can return it.

We work with trusted carriers to ensure a smooth and reliable delivery experience for every order placed at Yoyoco.

  • Processing Time: 1–2 business days
  • Shipping Fee: Always FREE on all U.S. orders
  • Carriers: USPS, UPS, or FedEx (depending on destination & warehouse availability)
  • Tracking: Every order includes real-time tracking updates
  • Delivery Protection: Lost or damaged packages are fully covered — we replace or refund immediately
  • Support: Our customer care team is here to help with any delivery questions

✨ Rest easy — your order is protected, secure, and on its way.

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Customer Reviews

Based on 12 reviews
58%
(7)
42%
(5)
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R
Rowan K.
Straps took a minute

Very stable once installed. Took me a minute to adjust the straps correctly, but after that it’s great.

S
Soren J.
Better than my last one

My previous cover sagged into the gap and my dog hated it. This stays more level. Setup was simple once I watched the strap layout.

M
Mateo S.
Solved the sagging

Finally something that doesn’t collapse. My lab is about 70 lbs and this holds his weight easily.

J
Janelle W.
Great in my SUV

Fits my SUV perfectly. My dog used to hate car rides but seems way calmer now. A little bulky to store, but worth it.

C
Callum R.
Actually stays flat

I’ve tried two soft seat covers before and both sagged badly. This one actually stays flat. My 85 lb shepherd finally looks comfortable back there.

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