YILAN King Box Spring 7 Inch, Heavy Duty Metal Box Spring Bed Base with Fabric Cover, Mattress Foundation, Easy Assembly, Noise Free, Black

Stable and Sturdiness: Box spring king with solid steel sturdy struction is strong enough to hold up to 3,000 lb. Easy Assembly: The clear instruction will assist you assemble box spring king size quickly and easily. Noise Free: King bed box spring keep away from noise, take care of your sweet night's sleep. High quality fabric cover: Box springs for king size bed covered by fabric compatible with diffrenent memory foam or hybrid mattress. King box spring only dimenssion：79.6"L x 75.6"W x 7"H.