Listings show the full size range (Twin through California King) and give varying California King overall dimensions. Examples include 86.6" x 74.4" x 19.7" for one upholstered frame and a metal low-profile California King footprint shown as 72" x 84".
Many frames use wood or metal slat systems described as reinforced or sturdy. Most listings note that a box spring is not required. At least one upholstered frame lists a weight capacity up to 1,000 lbs.
Listings vary: some recommend mattresses around 10–15" thick, while others list a supported range of about 8–14".
Care guidance varies by finish: some listings recommend cleaning with water, others recommend spot or wipe cleaning, and a few note vacuuming or dry clean for upholstery. Specific methods depend on the surface material.
Descriptions list compatibility with foam, latex, and spring mattresses; some listings also name memory foam and hybrid mattresses as compatible.