Custom size
Mattress InsiderPark Meadow Encased Coil II
- Hybrid
- 8 in thick
- cushion-firm
Sleep Foundation: Best Mattress for Pressure Relief Read review
Made to 76 × 80 inGet a quote
Forest River Flagstaff 12RG mattress size
Main bed76 × 80 inCustom size
That isn't a standard mattress size, so order a custom size cut to your platform.
2026 Forest River Flagstaff Tent Campers brochure, 2026.
Mattresses in 76 × 80 in
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The Flagstaff bedroom. Measure the platform, not the old mattress, before you buy.
Is this your 12RG?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2026 | Flagstaff Hardside T12RG | 16' 5" | – |
Other Flagstaff mattress sizes
Sources
Questions
What size mattress is in the Forest River Flagstaff 12RG?
The main bed is 76 × 80 in (2026 Forest River Flagstaff Tent Campers brochure, 2026).