King Size Box Springs

The Twin Box Spring (Extra Long) is a perfect foundation for your king size mattress. Crafted with durability and support in mind, this box spring is designed to provide a sturdy base for your mattress, ensuring its longevity. With its extra-long dimensions, you'll have the perfect fit for your king size mattress. Invest in the Twin Box Spring and enhance the overall comfort and support of your sleep experience. To properly support your mattress, it is important to note that TWO Twin Box Springs (Extra Long) ARE REQUIRED for a KING SIZE MATTRESS.