Decorative legs are an optional accessory that are compatible with Sleep Number 360® FlexFit™ adjustable bases to add a modern look to your bed. Please note that the decorative legs are NOT structural. Use with adjustable legs set to 16". Do not install as the only support for the bed. Fixed length of 8". Set of 4, hardware included. Ships via UPS unless ordered with a Sleep Number® FlexFit™ adjustable base, in which case it arrives via Home Delivery.