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 (500 oz) / 500 ml (17 oz) simple Modern Classic cups are double-walled and vacuum-insulated, which means that your favorite beverage stays hot or cold for hours and you will love the drinking water.^ 2. Vacuum insulation technology The classic Aiboria cups are double-walled and vacuum-insulated, by the pool, in the office, in your car, wherever - the cup keeps your favorite drinks ice cold or hot for hours, also combined with a splash-proof lid and you get additional heat control .^ 3. Premium 18/8 stainless steel The Aiboria water cup is made of 18/8 stainless steel with an additional spray paint, good rust resistance, durable and convenient to use, easy to clean.^ 4. BPA-free press-in lid The environmentally friendly lid is completely BPA-free; Seals made of silica gasket for maximum leakage protection. Drinking hole with a wide mouth at the top, straw-friendly, with a splash-proof sliding cover. Please note that drinks should be stored and that no heat / cold can escape. It's not tight.^ 5. Widespread Uses Travel mugs can be used as wine mugs, champagne mugs, water mugs or travel mugs for sports fans, and are suitable for parties, picnics, self-driving travel, boats, beach, pool, camping and hiking. Etc.