Sealed and leakproof: The glass cup is designed with a leak-proof lid to create an airtight seal, so you don't have to worry about spilling your drink or having to be careful holding it.Suitable length of straw: This drinking cup with straw is different from ordinary drinking cups. Our straw is longer than the straws of other cups, which makes it easier to drink water with a straw.More environmentally friendly than plastic cups: Unlike ordinary plastic cups, the glass cup with straw and lid is made of durable and thickened glass, which is very strong and heat-resistant, and is also safer and healthier when holding hot drinks.Hand wash or dishwasher clean: After use, just rinse the ice coffee cup with lid and wash it with soap and water. These cups can be washed in the dishwasher, but we recommend hand washing the straw and lid. Not suitable for microwaves, sterilizers or ovens.Three ways to drink: The lid is equipped with two drinking holes, you can drink directly from the cup or drink through the glass straw. Of course, you can also remove the lid and straw and use the glass cup as a normal glass cup to meet your diverse needs.Tips: Improper express transportation may cause the cup to break. If you receive a damaged or incomplete glass beverage set, or if you are not 100% satisfied with our product, please contact us.