In order to use Pyrex glass for turtle glass straws, made in Taiwan, it has good acid resistance and heat resistance up to 260 degrees. It has passed the SGS metal, heat resistance and temperature difference test. It is suitable for a variety of beverage choices and will not release toxic substances. << For the advantage of sea turtle glass straw products >> ★ Pyrex glass raw materials imported from Germany ★ Made in Taiwan ★ SGS cadmium and lead content inspection ★ SGS heat resistance inspection ★ SGS temperature difference inspection ★ Insured product liability insurance ★ Product specification resume introduction << Product Specifications >> Pyrex heat-resistant glass Inner/outer diameter: 11.3/14 mm Length: 20 cm Heat resistance: 260 degrees C << Commodity Notes>> Children under the age of 12 must be accompanied by adult relatives and friends. Made of high-quality Pyrex heat-resistant glass, but please avoid abrupt temperature changes (for example: immediate freezing at high temperature) to avoid glass breakage. There is still a risk of cracking when the temperature changes drastically or is hit hard; if a crack or rupture is found, it is recommended to replace it immediately. This product is a glass product, improper use may cause damage to the product. ※ The company provides a product inspection period of 7 days. If the product is found to be defective, please contact us within 7 days.