12/14 inch Memory Foam Mattress for Back Pain, Cooling Copper Gel Bed in a Box, Foam Made in USA, CertiPUR-US Certified, Therapeutic Medium Firm 尺寸:12 twin The coils are made of

The coils are made of high-quality steel

the NISIEN memory foam mattress combines pressure-relieving layers and a dense core to promote proper spinal alignment

Specifications: Available Size: Full / Queen / King Weight Capacity: 1000lbs Material: Metal / MDF /Wood Recommended Mattress Thickness: 8"-12" Mattress Included: No Box Spring Required: No

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Mattress in a Box : Your Mattress will be compressed

12/14 inch Memory Foam Mattress for Back Pain, Cooling Copper Gel Bed in a Box, Foam Made in USA, CertiPUR-US Certified, Therapeutic Medium Firm 尺寸:12 twin The coils are made ofStress Relieving Structure The NISIEN memory foam mattress features a 3 layer foam structure for optimal comfort: a 2" temperature regulating comfort foam, a 3" pressure relieving convoluted foam, and a 7" high density supportive base foam. These layers collaborate to reduce pressure points and provide stable support, ensuring a restful and rejuvenating sleep experience. Breathable Comfort Design Equipped with a high quality breathable fabric cover,