Zinus 7 Inch California King Smart Box Spring
Solid steel foundation with easy assembly and a 5-year warranty. Customers cite easy setup and sturdy, quiet support, though fit and durability receive mixed feedback
Highlights
- solid steel frame
- easy assembly in one box
- warranty protection
Pros
- easy to assemble
- sturdy steel construction
- quiet support
- comes with tools and instructions
- 5-year warranty
Cons
- mixed fit with some beds
- mixed durability perceptions
Best For
Features
- Solid steel frame with straightforward, tool-free assembly in one box
- Supports up to 350 lbs for twin size; up to 700 lbs for other sizes
- Requires a bed frame or platform bed for support; foundation sold separately
- Includes all parts, tools, and instructions in a single shipping box
- Worry-free 5 year limited warranty on the foundation
