Box spring ( foldable metal foundation)

FULL/DOUBLE Metal Folding Box Spring with zipup fabric cover - BRAND NEW IN BOX (2 available) Weights & Dimensions Mattress Foundation Size: Full/double Overall 54'' W X 75'' L Distance Between Slats 3.93'' W Overall Height - Top to Bottom 4'' H Overall Height - Top to Bottom 7.5'' H Profile: Low Profile Overall Product Weight 43 lb. Folded Dimension 40" W x 76" L Mattress foundations can be easily folded back together for moving or storage.