Volcanic velvet is the main supporting material, which is characterized by car-scrapping. It has a strong supporting force, but it is basically not wrapped. Strong toughness, can bounce quickly when pressed, and can effectively support the body's gravity. This is an ideal material for soft bed support.

Snow sponge is a kind of sponge that acts on the comfort layer. It has soft texture like ice and snow, slow resilience, good wrapping feeling and delicate hand feeling. Used in the upper layer can relieve the pressure of gravity on the body to a certain extent.