WHY? BLOCKED! / Baby products

Many bottles have better function of hot safe nowadays. So adults’feeling that the bottle temperature is not true and the real temperature is higher than that when they prepare to feed. They often to feed the baby the high temperature milk because of wrong judgment, and then the baby would feel very uncomfortable.
In conclusion, we want to adopted the physical methods of Contraction principle, to make the channel blocked at the time of the milk so hot. So we add a straw on the the bottle’s lid and it made of the edible silica hollow ball. The hollow ball will heat expansion above 40 degrees, and the channel will be blocked slowly, so th