· NATURAL WOOD INTERIOR - Engineered with thicker wood slats than most traditional box springs, this strong and steady solid wood frame is ideally suited to support memory foam or latex mattresses· DURABLY ENGINEERED - Durable wood is used to construct the interior framework of this reliable foundation; slats are spaced 2.8 inches apart for T/F, 3.4 inches apart for Q/K; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs· HIGH PROFILE DESIGN - An 8 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· Worry-free 5 year limited warranty included; box spring only, a bed frame or platform bed is required to support this foundation and is sold separately