Ice silk fabric, feels cool, soft and comfortable, good breathability, silky and smooth, comfortable to touch, silk fiber cotton, soybean sponge, nano antibacterial fabric, comfort layer uses high-density, high-resilience soybean sponge, zero-pressure cloud-like memory foam, strong support, antibacterial, insect and mite resistant, support layer made of seven-hole eco-friendly fiber cotton, silent independent pocket springs, do not interfere with each other, fiber cotton edge protection, reinforced support on all sides, hard eco-friendly cotton, bottom surface 5D breathable fabric