The Serta iDirections Box Spring Foundation is a great addition to any new or existing mattress. This box spring is constructed with a steel StabL-Base®, made from extremely durable tempered steel and premium furniture grade lumber, to ensure your mattress has proper support for years.

This Box Spring Foundation has a V-shaped, double-steel buildup for added strength and support that enhances both the performance and appearance of every Serta iDirections mattress. This specific design can also help isolate the impact of your partner's movements.