Organic cotton mattresses for a chemical - free sleep surfacePostureLoft Low Profile 4-inch Twin XL-size Mattress Foundation - White

This 4 inch box spring is the perfect low profile foundation for your Twin XL mattress. It is easy to assemble and great for those high profile mattresses to create a sleeker decorative look. The instant foundation/box spring can support any mattress - memory foam, innerspring or latex - and supports it evenly throughout to prevent sagging and increase the longevity of the mattress. Narrow hallways and small staircases won't be an issue. This box spring comes in a small box it is easy to assemble and is easy to fit in any room. The wood, the cover, and all tools and accessories needed for foundation assembly are included.