Memory foam refers to the slow rebound mechanical properties of polyether-based polyurethane foam sponge, is a special sponge, developed by a European company. Also known as slow rebound sponge, space zero pressure, astronautical cotton, TEMPUR material, low rebound material, viscoelastic sponge and so on.

Flat memory foam surface with a hand press, there will be a handprint, and then slowly disappeared, this is the signature effect of memory foam - "slow rebound", it is difficult for other materials to imitate its slow rebound speed.

Memory foam feel soft, when holding the memory foam with your hand, you will feel the palm of your hand in the constant emptiness down, such as sand leakage empty, no rise out of the force, pinch a long time is not too tired. When lying on the memory foam cushion, you will feel the gradual sinking process, like into the mud puddle, and hear the memory foam in the gas flow of the subtle sound when people sit against the memory foam lumbar cushion, the beginning of the constant deformation, and later is the disappearance of the feeling of resistance, and the long time to sit down after the lumbar pain that should have appeared, it is difficult to find the trail.