Standard Foundation Box

Standard Profile Foundation Box.  Available in Twin, Twin XL, Full, Queen, E King, and Cal King. Foundation construction: Wood/steel Meets federal fire retardant safety standard Made in USA of Imported and Domestic Parts Dimensions Twin 75"L X 38"W X 8.5"H TwinXL  80"L X 38"W X 8.5"H  Full  75"L X 54"W X 8.5"H Queen  80"L X 60"W X 8.5"H E King  80"L X 76"W X 8.5"H (comes with 2 foundation boxes measuring 38"W) Cal King  84"L X 72"W X 8.5"H (comes with 2 foundation boxes measuring 36"W) Foundation Boxes ships wrapped in 1 bag for Twin - Queen sizes and 2 bags for King sizes