Memory foam pillows are made by combining Polyurethane (PU) compounds and other additives. Memory foam is not natural rubber harvested when the tree is young, but it is only an artificial product, produced based on the characteristics of rubber. Therefore, this pillow has many characteristics of natural rubber such as high elasticity, good ventilation, bringing a comfortable sleep to the user. In particular, it supports the head, neck, and shoulders well. Although it is a synthetic pillow, it is absolutely safe for the skin and does not cause allergies to anyone because it has undergone a long period of research and production in a modern and scientific environment. That is why in the past, people often used cotton pillows and feather pillows, but now, thanks to the introduction of modern technology in the production of pillows and mattresses, lines of memory foam and natural rubber pillows have gradually been born and won the hearts of many parents and young families... Advantages of memory foam pillows Memory foam pillows have the following outstanding advantages: - Memory foam core has high elasticity, soft and smooth, helping to take care of sleep every day. In particular, it does not sag after a long time of use, thereby helping to save a lot of money for families to buy other interior products. - The surface and shape of the pillow are specially designed with the concave part in the middle of the pillow designed to fit the area from the neck to the top of the head to support, maximum contact area with the human body to support most effectively.