Box spring designed for Aireloom Preferred Collection mattresses (sold separately) Fully upholstered working support provided by a metal Vshaped semiflex grid and lumber Upholstery, polyester Metal corner guards High 9" profile Approx. 75"L x 39"W Split adjustable base compatible Each half sold separately Weight, 45.0 lbs Made in USA Boxed weight, approximately 53.0 lbs