While shoppers can certainly purchase mattresses individually, it's often beneficial to purchase mattress sets instead. Sets typically include the mattress of your choosing as well as a foundation, or box-spring, on which to place the mattress.

What is included in a king mattress set?

King Size Mattress Set

The king mattress set dimensions are typically standardized at 76 inches wide and about 80 inches long – 16-18 inches wider than a queen mattress and box spring (platform) set.

When you buy bed set does it come with mattress?

Though most bedroom sets do not include a mattress, it's imperative to keep standard mattress sizes in mind while shopping for a bedroom set because the included bed will be a specific size. Many furniture sets are available with different bed sizes, so you can choose the perfect set for your needs.