Tempur 5" Flat Twin Extra Long Low Profile Box Spring provides a low-profile foundation that keeps a Twin Extra Long mattress closer to the floor, making it a practical choice for small bedrooms, dorms and guest rooms. A soft grey polyblend fabric cover offers a tidy, comfortable surface while the wood platform underneath provides stable, even support for long-term sleep performance. Made in the USA and designed for compact spaces, this foundation simplifies bed setup and helps save vertical space.