Flute-style delivers the straw to your lips horizontally, eliminating the crease of your lips when in use. Anti-wrinkle straw, anti-wrinkle straw, anti-aging straw, reusable glass drinking straw, eliminating your lip crease. Eco-friendly reusable glass straw helps reduce plastic, flute style design to engage lips horizontally. A great alternative to single use disposable straws which are just as stylish and made of completely biodegradable material. This product is made of food grade borosilicate glass. It can withstand high temperature and low temperature resistance, and has a compression function after reinforcement. You can enjoy hot and cold drinks to maintain better taste. The straw can be cleaned with a dishwasher or brushes. The straw is suitable for all kinds of cold and hot drinks, including but not limited to smoothies, lemonade, milkshakes, cocktails, hot chocolate and juice. According to the study of traditional plastic straws , high temperature can increase the incidence of cancer. There is no glass straw problem. In addition, the straw can be safely stored and reused to avoid non-degradable waste brought by plastic straw and do not affect the ecological balance. Note: The data are all manual measurement , please allow 1 - 3cm error, due to the difference in light and display, there will be some color difference, depending on the physical object received.