Polyurethane foam is perhaps the most widely used material in bedding (as well as a whole host of other applications). Is favored by many manufacturers as a top layer material to create a soft initial feel (that doesn’t last very long) but does make for a good first impression. A foam mattress can also be called a sponge mattress. It is characterized by softness and elasticity. The foam mattress is the most comfortable of all materials. Lying on the body is like floating in the air without pressure, let us lie on it and feel like floating in the air. Numerous dense holes have good gas permeability, which can absorb moisture and remove heat well to ensure the body is dry. It can closely fit your body shape, provide adequate support to the body and relieve body pressure. At the same time, the foam mattress has good warmth, can provide a warm sleep environment and improve sleep quality. The foam mattress can closely match the curve of the body. While providing us with support, it also loses its softness and elasticity. It can also cushion the movements of the body. Even if a person turns over frequently, it will not affect others. There is no noise at all. For the elderly who are afraid of cold and often get up at night, foam mattresses are the best choice. Foam mattresses generally have a long life because they are recyclable materials.