Zees box springs and mattress foundations are the perfect complement to any mattress in the Zees line. Zees foundations provide a traditional, static, supportive foundation as well as an adjustable foundation to raise your head when you have a cold, or move your body into the perfect reading position to relax before lights out. The semi-fold box spring is an innovation of the most popular, well-built box spring on the market. This patented box spring folds completely in half for super easy mobility, yet with the solid support you expect in a box spring. The ShipShape™ is an adjustable foundation, enabling you to customize your bed to your desired position to read, enjoy breakfast in bed, or get your best night’s rest! Shipping is always free. Expect your order to arrive in 10 to 14 days.