Eff You See Kay Why Oh You Clear Bamboo 16oz Cups come with straw, straw cleaner and bamboo lid also can also comes in its own individual box for gifting. This clear glass can cup hold up to 16oz Realkant Glass is made of first-rate durable BPA-free glass, can be used safely for a long time. These thick glass can cups withstand the sudden changes in the temperature difference between -68°F to 212°F (-20℃-100℃), making it COLD & HEAT RESISTANT