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 Low 6" profile Approx. 84"L x 36"W Split adjustable base compatible Each half sold separately Weight, 43.0 lbs Made in USA Boxed weight, approximately 48.0 lbs