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[Used] FlatCore Hybrid Support Mattress for Tesla Model Y
Havnby FlatCore for Tesla Model Y is a trunk-leveling car camping mattress designed for Tesla Model Y, creating a flatter, more comfortable sleep space for road trips, camping, and overnight stays.
Vehicle-Specific Fit: Designed for the Tesla Model Y cargo area.
Trunk-Leveling Support: Helps reduce rear-seat slope for a flatter car bed.
Foam Comfort: Stable cushioning for overnight car camping.
Fast Inflation: Inflates in 80 seconds and deflates in 90 seconds with a built-in 12V ABS air pump.
Easy Storage: Packs into the included storage bag after use.
Road Trip Ready: Ideal for SUV camping, EV camping, and weekend getaways.
![[Used] FlatCore Hybrid Support Mattress for Tesla Model Y](http://havnby.com/cdn/shop/files/DSC_8037-3_1_1.jpg?v=1776782956&width=1200)
0°
Level Sleep Surface
FlatCore helps turn sloped folded seats into a level sleep surface, correcting vehicle-seat angles that can reach up to 12°.
7.5"
Real Mattress Feel
High-density foam adds the kind of steady support thin air pads cannot give. Less sag, less wobble, more sleep-after-the-drive comfort.
80s
Ready to Rest
The built-in pump inflates FlatCore in 80 seconds. No loose pump. No slow setup. Just park, inflate, and rest.

Auto-Level Design

7.5-Inch High-Rebound Foam

Built-In Pump. 60-Second Packdown.
Built with intention
Material
|
Havnby FlatCore
|
Outdoor Car Mattress
|
Brand-Made Mattress
|
Other Camp Pads
|
|
|---|---|---|---|---|
| Vehicle Fit | ✓ | ✓ | ✓ | × |
| Sleep Flat | ✓ | × | × | × |
| Thickness | > 6.5" | ~4" | ~3" | 2"-4" |
| Material | Odor-free TPU | Oxford+TPU base | Polyester exterior | × |
| Side Sleeper Friendly | ✓ | Adjustable firmness only | × | × |
| Setup Time | < 100 sec, built-in pump | External pump | External pump | Self-Inflates & AirRollBag |
| Packed Size | Gym bag | Big carry bag | Fits sub-trunk | Bulky |
| Leak & Puncture Resistant | ✓ | ✓ | ✓ | × |
What real owners are saying
Jessica M., Mom of Two · Austin, TX
Road Trip Essential
“Perfect for long road trips. It inflates quickly, fits my SUV well, and gives the kids a comfortable place to rest during stops.”
Ryan K., Weekend Camper · Denver, CO
Comfort That Lasts Overnight
“Surprisingly comfortable for a car mattress. The material feels durable, and it stayed inflated overnight with no issues.”
Amanda L., Frequent Road Tripper · Portland, OR
Great for Camping & Travel
“Easy to set up, easy to pack away, and much better than trying to nap in a regular car seat.”


