The Coffee cup's texture is beautiful and easy to grip. You can enjoy your coffee, tea, wine, and juice quite nicely. Clean the cup with warm water and neutral detergent before use. Tighten the lid clockwise when the cup body is tilted. in case of leakage. Avoid any form of direct heating or exposure to high temperatures. It is forbidden to heat products in an open fire, electromagnetic oven, microwave oven, and dishwasher. Preheat or pre-cool with hot or ice water. The double-wall coffee cup is made of high-quality stainless steel and food-grade PP with BPA free polypropylene lid, durable and prevents the increase of bacteria. Wash The Bottle Inside As Well As Outside By Using A Mild Detergent. Rinse The Water Bottle With Warm Water Before The First Use . And Do Not Use It For Carbonated Drinks.