This product is processed from food grade borosilicate glass. It can withstand high temperature and low temperature resistance and has anti-crushing function after strengthened. You can enjoy hot, cold drinks and maintain a better taste. It can be used in freezer and dishwasher, or it can be cleaned with brushes.
According to the investigation for the traditional plastic straw, the exposure to high temperatures may increase the incidence of cancer. There is no problem of that at all since the glass straw. Moreover, the straw is in safe keeping and can be reused, so as to avoid the non-degradable garbage brought by the plastic straw, not to affect the ecological balance. Glass straws have a higher level of protection for our health and living environment.
Easy use and clean: The straws are cleaned in a dishwasher or by the built-in 2 brushes . The straws are suitable for a variety of cold drinks and hot drinks including but not limited to smoothies, lemonades, shakes, cocktails, hot chocolate and juices.
Please be aware even though these straws are made by borosilicate glass. It still can be broken if dropping on the floor. If straws broke into pieces please clean they immediately and keep them away from children.
These glass drinking straws are very durable but are to be used like any drinking glass with caution.
Although not intended for children if used by children they should be supervised by an adult at all times.