King Size Box Spring, 9 Inch Heavy Duty Metal Bed Foundation, Washable Fabric, 3500lbs Capacity, Easy Assembly, King Bed Frame Support

【Heavy Duty Construction】: Built with a robust thickened metal frame; supports up to 3500 lbs; ensures long-lasting durability and prevents wobbling, bending, or sagging; ideal for various mattress types and sleepers. 【Washable Fabric Cover】: Features a shrink-resistant, removable and washable fabric cloth; prevents mattress slippage; keeps your mattress clean and hygienic; provides a comfortable and stable sleep surface; simplifies maintenance. 【Space-Saving Design】: Designed without a headboard; perfect for maximizing space in bedrooms; allows for easy placement and versatility in various room layouts; suitable for apartments, smaller bedrooms, or minimalist décor. 【Easy Assembly & Mobility】: Includes all necessary hardware and clear, illustrated instructions for quick and simple setup; lightweight design with rounded corners allows for easy moving and repositioning; convenient for bedroom rearrangements. 【Optimal Height & Compatibility】: 9-inch profile adds a comfortable height to your bed; compatible with a wide range of king-size mattresses, including spring, memory foam, latex, and hybrid models; improves overall sleep experience