Introducing the Borosilicate Glass Tumbler with Cork Sleeve, Metal Straw, and Brush – the perfect combination of functionality and style for your daily hydration needs. Crafted from durable borosilicate glass, this tumbler ensures both durability and clarity, allowing you to enjoy your favorite beverages in their truest form. The bamboo lid provides a secure seal, while the cork sleeve adds a touch of natural elegance and protects your hands from hot or cold temperatures. With a convenient metal straw and cleaning brush included, this tumbler is not only eco-friendly but also easy to maintain. With a generous capacity of 500 ml, it's the ideal companion for staying hydrated on the go. Upgrade your hydration game with this versatile and stylish glass tumbler.