King Box Spring | Buy

For a king-size bed, choosing between a traditional box spring and a modern metal foundation depends on your mattress type and how much height you want to add. Metal foundations have largely overtaken wooden box springs because they offer more rigid support for heavy memory foam or hybrid mattresses and are much easier to assemble in a large king size. Expert Recommended King Foundations

Alwyn Home 5 inch Low Profile Box Spring Mattress Foundation $112.99$120 Wayfair& more Go to product viewer dialog for this item. buy king box spring

Big Fig Mattress Big Fig Size Ultra Low Profile Foundation Supports Up To 2000 lbs Big Fig Mattress& more Go to product viewer dialog for this item. For a king-size bed, choosing between a traditional

If you have a very heavy mattress or require extreme stability, this Big Fig Mattress Big Fig Mattress Big Fig Size Ultra Low

foundation supports up to 2,000 lbs. At only 2 inches tall, it keeps the overall bed height manageable while providing maximum support. Key Buying Considerations Go to product viewer dialog for this item.

Big Fig Mattress Big Fig Size Ultra Low Profile Foundation Supports Up To 2000 lbs