Dimension:W115" x D89" x H43.3" (with extension); W66.6" x D89" x H43.3" (without extension)
Mattress space dimension:W60.6" x D80.7" with 3.3" mattress inset Slat to slat distance:No more than 3"
Recommended mattress thickness:7.9"-13.8"
Slat height:9.4"
Product weight:Headboard: 52.5 lbs; Bed Frame:134.5 lbs
Packaging dimensions:3 boxes Max bearing support:793.7 lbs