Since the PC material bottle was proved broke containing bisphenol A, which can precipitate when heated to the food and drink, may disrupt the human metabolic process and cause sexual maturity, have an impact on infant development, immunity, and even cancer.Since March 1, 2011 governments around worlds have issued regulations of baby food packaging materials, especially for the material of PC bottle. Now silica gel bottles have become the new favorite of the market.The pacifier is made from silica gel, because the pacifier was in the baby mouth, high safety coefficient, so the safety of the silica gel bottle is equal to the pacifier, and silicon is widely applied in the medical field, and the affinity of the human body is very good, won't produce rejection.In conclusion it can be seen that the silicone is the most ideal, the most reassuring bottle material, silica gel bottles with safe, soft, comfortable, convenient washing disinfection, high temperature resistant, no smell, easy to carry, economical and practical, and many other advantages, in the global scope of the bottle in the shuffle, silica gel bottles will be a new generation of the representative of the mainstream security bottle.