King Koil provides a strong foundation for your bed, designed for lasting support with the Semi-Flex™ steel design of its Austen Flex Steel Box Spring.

• Construction: Flex Steel
• Semi-Flex™ design
• Warranty: 10-year
• Box springs cannot be paired with an adjustable base
• This box spring arrives in two pieces. Split box springs make it easier to maneuver through narrow stairwells, elevators and door frames.
• Made in the USA of imported and domestic parts