1500lb Heavy Duty metal box spring - 6-inch california king box spring ,Noise-Free Mattress Foundation with Removable Washable Cover, Tool-Free Assembly

Features

• Graded Heavy-Duty Load-Bearing Capacity: Reinforced crossbar steel frame delivers robust durability. Twin & Twin XL support up to 800 lbs, Full/Queen/King/Cal King hold up to 1500 lbs; compatible with memory foam, innerspring and hybrid mattresses.
• 100% Noise-Free Sleep Experience：Wear-resistant quiet fabric + non-slip base eliminates squeaks when turning over, perfect for light sleepers and couples
• ​Replace Old or Sagging：Foundations Revitalize your sleep setup without replacing your entire bed.
• Tool-Free Assembly in 20 Mins：Snap-on design with illustrated instructions allows one-person setup, no extra tools required - save time and labor costs
• Removable & Washable Fabric Cover: Premium fabric detaches for easy spot cleaning, resists stains and dust to maintain a fresh, hygienic sleep environment.
• Fits Various Bed Frames & Mattresses: Ideal for all bed types, especially wooden beds, and perfect for replacing slat supports.
• This product includes only the spring box, excluding the bed frame and mattress, and there are no bed legs.
• 5-Year Limited Warranty: Enjoy peace of mind with reliable coverage.
• Tip: When installing, first connect all the screws and then tighten them uniformly. This makes the installation faster and the structure more stable.
• Buying Guide: When choosing a bed frame, it is advisable that the sum of the height of the bed base, the box spring, and the mattress is approximately equal to the height of your knees, or between 1/4 and 1/3 of your height.
• Model Selection Guide: twin xl size box spring is slightly longer than twin size box spring, making it suitable for taller individuals or placement in longer rooms. queen size box spring is slightly larger in both length and width than full size box spring. king size box spring is wider than Queen, ideal for larger rooms and those seeking a more comfortable sleep. california king size box spring is longer than King but slightly narrower, suitable for taller and larger individuals.