Purple 9" Twin Extra Long Flat Foundation

Purple 9-inch Twin Extra Long Flat Foundation provides steady, even support as a dependable box spring replacement for Twin XL mattresses. Its polyurethane support core delivers resilient, consistent response across the surface to help mattresses perform as intended while keeping a low-profile 9-inch height for easier bed setup. Made in the USA, this foundation simplifies installation and offers a durable base that helps extend mattress life and maintain sleeping comfort. • Fits Twin XL mattresses and serves as a box spring replacement. • Provides a polyurethane core for resilient, even support across the surface. • Made in the USA with a low-profile 9-inch height for easier bed setup.