Natural Bamboo Lid: Both stylish and functional, the natural bamboo lid is a sustainable and non-toxic material, making them environmentally friendly. The bamboo lid is closely shut with a food grade silicone seal, to avoid spilling on-the-go. Lead & BPA Free - Made with high-quality durable glass that is lead & BPA free, the glass tumbler with straw and lid is suitable for any hot and cold beverages. This glass cup is perfect for espresso, cappuccino, lattes and everything in between…