1. Light color and large volume water cups are available in different colors: black, green, gold, light blue, light gray, light purple, pink, rose red, gray, fruit green, duck yellow, blue, silver, and white. 750 ml (25 oz) / 500 ml (17 oz) simple, modern, classic cups are double-walled and vacuum-insulated, which means your favorite beverage stays hot or cold for hours, and you will enjoy drinking water.2. Vacuum insulation technology: The classic cups are double-walled and vacuum-insulated. Whether by the pool, at the office, or in your car, the cup keeps your favorite drinks ice cold or hot for hours. Combined with a splash-proof lid, it provides added temperature control.3. Premium 18/8 stainless steel: The water cup is made of 18/8 stainless steel with an additional spray coating, offering good rust resistance, durability, and convenience. It is easy to clean and built to last.4. BPA-free press-in lid: The environmentally friendly lid is completely BPA-free. Seals with a silicone gasket provide maximum leakage protection. The wide-mouth drinking opening is straw-friendly and includes a splash-proof sliding cover. Please note that the cup should be stored upright to minimize spillage; it is not leakproof.5. Widespread uses: Travel mugs can be used as water mugs, wine mugs, champagne mugs, or sports mugs. Ideal for parties, picnics, road trips, boating, beach outings, poolside use, camping, and hiking.