Heavy-Duty Queen Box Spring – 4in Metal Foundation, 3500 lbs, Easy Assembly
The thickened design ensures long-lasting durability. This box spring supports up to 3500 lbs / 1587.57 kg, with easy installation, sturdiness, and durability to enhance your sleep experience. 4.Easy-to-Clean Spring Fabric: Equipped with a shrink-resistant, removable cloth that prevents the mattress from sliding, ensuring a more comfortable sleep.