Great all around
RVMattress.comSignature Hybrid
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
$1,465Queen · list priceSee price
Grand Design Reflection 312BHTS mattress size
Main bed60 × 80 inQueen
That's the same size as a regular queen, so any standard queen mattress fits.
About the RV queen size →Grand Design spec sheet, 2026.
Bunks34 × 76 in / 44 × 76 in
Bunk. Grand Design spec sheet, 2026.
Common RV bunk sizes →
Mattresses in 60 × 80 in
We may earn a commission when you buy through some of these links. It doesn't change which mattresses we list.
Best value
RVMattress.comCopperFlex Essential
- All-foam
- 6 in thick
- five comfort options
$524Queen · list priceSee price
Firm
RVMattress.comPlank Firm Luxe
- Hybrid
- 13 in thick
- Firm / Extra Firm
$1,598Queen · list priceSee price
Cooling
RVMattress.comAurora Luxe Cooling
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress for Temperature Regulation Read review
$1,999Queen · list priceSee price
Heavy duty
RVMattress.comTitan Plus Luxe
- Hybrid
- 13 in thick
- Plush
$1,665Queen · list priceSee price
Helix pick
HelixHelix Midnight
- Hybrid
- 11.5 in thick
- Medium Feel
Sleep Foundation: Best Mattress for Side Sleepers Read review
$1,183Queen · list priceSee price
RV hybrid
RVMattress.comCopperFlex RV Hybrid
- Hybrid
- 10 in thick
- Medium-Firm
$799Queen · list priceSee price
Custom size
Mattress InsiderLuxury Gel Memory Foam
- Memory foam
- 8 in thick
- not stated
Made to 60 × 80 inGet a quote
Bunk mattresses in 34 × 76 in / 44 × 76 in
Some bunks have a rounded corner, so trace yours before a custom cut. A thicker bunk mattress takes headroom from the bunk above.
Best value
RVMattress.comCopperFlex Essential
- All-foam
- 6 in thick
- five comfort options
$385RV Bunk - 34x75 · 1 in shorter than your platformSee price
RV hybrid
RVMattress.comCopperFlex RV Hybrid
- Hybrid
- 10 in thick
- Medium-Firm
$699RV Bunk - 34x75 · 1 in shorter than your platformSee price
Custom size
Mattress InsiderLuxury Gel Memory Foam
- Memory foam
- 8 in thick
- not stated
Made to 34 × 76 inGet a quote
The Reflection bedroom. Measure the platform, not the old mattress, before you buy.
Bed sizes by year
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2017 | 60 × 80 in Queen | – | – | Grand Design spec sheet |
| 2018 | 60 × 80 in Queen | – | – | Grand Design spec sheet |
| 2020 | 60 × 80 in Queen | – | – | Grand Design spec sheet |
| 2021 | 60 × 80 in Queen | – | – | Grand Design spec sheet |
| 2022 | 60 × 80 in | – | – | Dealer report |
| 2022 | 60 × 80 in Queen | – | – | Grand Design spec sheet |
| 2023 | 60 × 80 in Queen | – | – | Grand Design spec sheet |
| 2024 | 60 × 80 in Queen | 44 × 74 in, 36 × 72 in | – | Grand Design spec sheet |
| 2025 | 60 × 80 in Queen | 34 × 76 in, 44 × 76 in | – | Grand Design spec sheet |
| 2026 | 60 × 80 in Queen | 34 × 76 in, 44 × 76 in | – | Grand Design spec sheet |
Years not listed weren't published.
The 312BHTS floorplan
Grand Design's 2026 312BHTS floorplan.
Is this your 312BHTS?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2017 | Reflection Travel Trailer 312BHTS | 37' 4" | – |
| 2018 | Reflection Travel Trailer 312BHTS | 37' 4" | – |
| 2020 | Reflection Travel Trailer 312BHTS | 37' 4" | – |
| 2021 | Reflection Travel Trailer 312BHTS | 37' 4" | – |
| 2022 | Reflection Travel Trailer 312BHTS | 37' 4" | – |
| 2023 | Reflection Travel Trailer 312BHTS | 37' 4" | – |
| 2024 | Reflection Travel Trailer 312BHTS | 37' 4" | 6 |
| 2025 | Reflection Travel Trailer 312BHTS | 37' 4" | 6 |
| 2026 | Reflection Travel Trailer 312BHTS | 37' 4" | 6 |
Other Reflection mattress sizes
Sources
- Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20170706031827/https://www.granddesignrv.com/showroom/2018/travel-trailer/reflection/floorplans/312bhts
- Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20190701215432/http://www.granddesignrv.com:80/showroom/2020/travel-trailer/reflection/floorplans/312bhts
- Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20200503211504/https://www.granddesignrv.com/showroom/2021/travel-trailer/reflection/floorplans/312bhts
- Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20211214053555/https://www.granddesignrv.com/showroom/2022/travel-trailer/reflection/floorplans/312bhts
- Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20221128043941/https://www.granddesignrv.com/showroom/2023/travel-trailer/reflection/floorplans/312bhts
- Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20240413034509/https://www.granddesignrv.com/travel-trailers/reflection/312bhts
- Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20241202152710/https://www.granddesignrv.com/travel-trailers/reflection/312bhts
- Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20260618113000/https://www.granddesignrv.com/travel-trailers/reflection/312bhts
- Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20170131185323/https://www.granddesignrv.com/showroom/2017/travel-trailer/reflection/specs
Questions
What size mattress is in the Grand Design Reflection 312BHTS?
The main bed is 60 × 80 in (Grand Design spec sheet, 2026).
What size are the Grand Design Reflection 312BHTS bunk mattresses?
34 × 76 in / 44 × 76 in (Grand Design spec sheet, 2026).