About this item Heavy-Duty Support: Crafted with reinforced steel construction and durable metal slats, this king box spring is built to last. With a robust 3000lbs weight capacity, it provides stable, long-lasting support for your mattress High Profile Design: Standing at 9 inch tall, this high-profile king box spring is perfect for adding height to your mattress. Whether you prefer a traditional or modern setup, it seamlessly complements all types of mattresses, including innerspring, memory foam, latex mattresses,etc Noise-Free Box Spring: The noise-free design ensures that no matter how much you move, the heavy-duty frame stays silent, creating a restful sleeping environment for you Easy-Clean Cover Included: This metal box spring includes a removable fabric cover with an elastic band for a snug fit. The cover is shrink-resistant, wrinkle-free and easy to clean, keeping your mattress in place and your bedroom looking tidy Effortless Assembly: This king size box spring comes with clear instructions and all necessary tools are included. Its simple assembly process means you will have your bed set up in no time