Frame is handcrafted of kiln-dried solid oak with oak veneers Sandblasted finish adds subtle texture Wood slat support; requires a mattress and foundation (9" foundation recommended) King and Cal King bed frames are compatible with our FreshBed™ Sleep System This bed frame accommodates our Reverie® Adjustable Base. Base will not be visible above side rails. Please note that our delivery team is unable to install this item with adjustable bases other than our Reverie Adjustable Base. Contact us at 800.762.1005 for information about compatibility with other bases. Professional upholstery cleaning recommended. Vacuum with an upholstery attachment to remove dust. Wipe wood with a soft, dry cloth; avoid the use of harsh chemicals or abrasive cleaning materials. Avoid direct sunlight and heat to protect the finish.