Limited Edition Firm Twin XL Mattress Shipping Weight_280.13 boxed: the metal base for

boxed: the metal base for the most popular size ships compact and builds fast

it boasts durability and meticulously woven construction that's perfect for high-traffic areas

Quarter-inch bolts (not included) attach it to the frame you already own

High-resiliency foam cushions wrapped in poly fiber

and requires a foundation or box spring

Limited Edition Firm Twin XL Mattress Shipping Weight_280.13 boxed: the metal base forTwin XL, firm build: dorm length support from the Limited Edition's coil and gel foam stack. Inside: high density gel memory foam and ultra firm support foam over power packed wrapped coils, with a steel encased edge of two perimeter coil rows. Ships in a box allow 48 hours to fully expand. Ten year non prorated warranty. About 79. 5 by 38 inches, 12 high. Manufacturer Details Comfort level: firm Luxury cotton fiber; super support polyester fiber