★★★ 24-Hour Free Shipping Prime Service ★★★. Responsive Pocket Springs: This single mattress features 434-count, six-turn, individually wrapped steel coils that contour to your body and respond to pressure points. The knotless structure enhances comfort and reduces motion transfer, making it ideal for sensitive sleepers. Three-Zone Support System: Thicker coils in the middle provide extra lumbar support for better spinal alignment, while softer coils at the head and legs relieve pressure points. With 434 steel coils and plush comfort layers, this foam mattress offers lasting comfort and stability. Modern Appearance: This single sprung mattress features square patterns on the cover and border.
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