Zinus 5-Inch WonderBox™ Smart Box Spring, Quick Assembly, King Size, Grey

About this item

• EASY DELIVERY & A CLEANER PLANET – Delivered in our earth-friendly WonderBox that is surprisingly small and easy to maneuver through doorways and tight corners
• WORRY-FREE WARRANTY – Sleep soundly with an included 5-year warranty. Box spring only, a bed frame or platform bed is required to support this foundation and is sold separately
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• CUSTOMIZABLE COMFORT: Choose from two heights to create your perfect sleep oasis – 5 inches for a lower profile, or 9 inches for an extra boost
• DURABLE STEEL CONSTRUCTION: Provides long-lasting support for your mattress, maximizing comfort and lifespan
• EFFORTLESS ASSEMBLY: Tool-free design snaps together in minutes for a frustration-free setup