Custom size
Mattress InsiderPark Meadow Encased Coil II
- Hybrid
- 8 in thick
- cushion-firm
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Made to 54 × 74 inGet a quote
Forest River Flagstaff E15FBS mattress size
Main bed54 × 74 inRV full
That isn't a standard mattress size, so order a custom size cut to your platform.
About the RV full size →Forest River spec sheet, 2026.
Mattresses in 54 × 74 in
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The Flagstaff bedroom. Measure the platform, not the old mattress, before you buy.
Is this your E15FBS?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2024 | Flagstaff E-Pro E15FBS | 17' 5" | – |
| 2025 | Flagstaff E-Pro E15FBS | 17' 5" | – |
| 2026 | Flagstaff E-Pro E15FBS | 17' 5" | – |
Other Flagstaff mattress sizes
Sources
- recreationalvehicles.info: https://recreationalvehicles.info/2026-forest-river-flagstaff-travel-trailers/2026-forest-river-flagstaff-travel-trailers-brochure-page-010.jpg
- Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20250214040401/https://forestriverinc.com/rvs/flagstaff-e-pro/E15FBS/8488
- Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20260521105518/https://forestriverinc.com/rvs/flagstaff-e-pro/E15FBS/9705
Questions
What size mattress is in the Forest River Flagstaff E15FBS?
The main bed is 54 × 74 in (Forest River spec sheet, 2026).