New Twin Box Spring, - $25 (Georgetown OH)

ZINUS 9 Inch Metal Smart Box Spring / Mattress Foundation / Strong Metal Frame / Easy Assembly, Twin, purchased but didn't use, sells for $110 and is Amazon's #1 best seller, asking $25 Steel Interior Frame With Knitted Polyester Cover THE LAST BOX SPRING YOU’LL EVER NEED - Unlike a traditional box spring, the Smart Box Spring is made of solid steel that comes together in no time and is backed by our Zinus “Peace of Mind” 5 year warranty DURABLY ENGINEERED - Durable steel is used to construct the inside framework of this foundation; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs HIGH PROFILE DESIGN - A 9 inch height is perfect for shorter mattresses or for those who enjoy their bed higher off the floor THOUGHTFULLY PACKAGED - All parts, tools and instructions are packed into one compact box that ships straight to your door