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. 84"L x 36"W Split adjustable base compatible Each half sold individually Weight, 48.0 lbs Made in USA Boxed weight, approximately 56.0 lbs