- Mattress Size
- Twin
- King
- California King
- Product Line
- Orthopedic
- Serenity
- Design Type
- Pillow top
- Two-sided
- Foam
- Hybrid
- Currently shopping by:
- Mattress Size: Twin XL or Full or Full XL or Queen
- Product Line: Regency
- Product Type: Box Spring
Regency Sapphire Box Spring
Real working modular box spring with an additional wood slat that provides extra support acts as a shock absorber to help extend the life of the mattress.