reusable glass drinking straws anti wrinkle straw flute style design for engaging lips avoid rubbing off lipstick

application: the flute straw has a 2/5" od and fits can easily fit through the lid slot of your mason jar, tervis tumbler, ello glass tumbler etc. perfect for drinking / cold beverages like bubble tea, smoothies, frozen drinks, thick milkshakes, coffee, iced tea and more. when using it, you need to open your lips slightly to suck, the force-bearing surface increases, the muscles are relaxed. eco-friendly: unique lead-borosilicate glass straws help to reduce plastic, can be 100% recyclable, can reduce raw material consumption, friendly to humans and the environment, bpa- and comes with a cleaning brush for easier cleaning, available dishwasher safe, reusable and eco-friendly..syi