Ergonomic Comfort Handle: This glass tumbler features a thickened, soft finish ergonomic plastic handle for comfortable carrying; say goodbye to discomfort from stiff glass handles | Premium and Sturdy Material: Made of high borosilicate glass, which is stronger and sturdier than regular glass; lid includes a food-grade silicone cover; colorful sleeve and reusable plastic straws are BPA-free | Car Cup Holder Friendly: Designed to fit standard car cup holders for easy portability; ideal for beverages like iced coffee, smoothies, cold drinks, soda, iced water, and bo-ba tea | Dishwasher Safe and Heat & Cold Resistant: Borosilicate glass withstands temperature changes from -4℉ to 300℉; suitable for both hot and cold beverages; wide-mouth design makes cleaning easy | Versatile and Safe: BPA-free and lead-free; includes two reusable plastic straws: a 10 mm straw for drinks like ice water and coffee, and a 12 mm straw for bubble-tea and beverages with larger chunks