Safavieh Dream Collection Tranquility White Navy Spring Mattress, 8-Inch (Twin) The 480 heavy gauge steel coils provide maximum support and motion separation for comfort and sound sleep This mattress unfolds from a box as if by magic This is a twin sized mattress Features a 1 year manufacturer warranty For over 100 years, Safavieh has been crafting products of the highest quality and unmatched style