"9 Inch Heavy Duty Metal Box Spring Mattress Foundation 3000lbs Max Weight Capacity/Non-Slip/No Noise/Easy Assembly/Easy Clean Cover, King Box Springs Sturdy Construction:Heavy duty metal slats and durable reinforced steel construction that resists wear and tear.Crafted to evenly distribute weight and minimize sagging,it ensures your mattress remains in optimal condition.3000lbs max weight capacity. HIGH PROFILE DESIGN: Box spring king 9 inch height is perfect for lower mattresses or for those who enjoy their bed higher off the floor,and suitable for different types of mattresses,including innerspring mattresses,memory foam mattresses,latex mattresses,etc Easy Assembly: All parts of the king box spring, tools and instructions are packed into one compact box. Integrated structure design, Simply follow the straightforward instructions for quick assembly Noise Free:This mattress foundation adopts a silent design,each pole and support frame is seamlessly welded at both ends,preventing structural distortion.When you move or turn over,it will not make any noise,ensuring a peaceful sleeping environment. Box Spring Cover Included: High quality fabric cover with elastic band,shrink and wrinkle resistant, keep mattress from slipping,easy take off for cleaning and assembly. Box spring only：A bed frame or platform bed is required to support this foundation and is sold separately,or this box spring features a sturdy metal frame construction, and you can also use it as a bed frame to support your mattres. Date First Available: October 5, 2023 Assembled Depth: 9 inches Size: King Included Components: Cover ASIN: B0CCJF8MMP Material Type: Metal Product Dimensions: 79"L x 75.48"W x 9"H Item Dimensions L x W x H: 79"L x 75.48"W x 9"H Is Discontinued By Manufacturer: No Furniture Finish: Black Finish Types: Powder Coated Assembled Width : 75.6 inches Required Assembly: Yes Item Height: 9 inches Manufacturer: ALDRICH Assembled Height : 9 inches Style: Classic Assembled Length : 78.99 inches Compatible With Mattress Size: King Finish Type: Powder Coated Special Feature: Squeak Resistant Maximum Weight Recommendation: 3000 Pounds Color: Black Material: Metal Brand: ALDRICH Brand Name: ALDRICH Assembly Required: Yes Style Name: Classic Additional Features: Squeak Resistant Assembled Diameter: 75.6 inches"