Capacity 420ml (approx.) And Double walled. Beautifully designed handle for an easy grip.The Vacuumized lid design perfectly combines form & function.High Quality Product: The insulated cup tumbler made of good quality 15.4/12 stainless steel and easy grip handle, which is more durable than other common glasses or mug.The Air-tight lid prevents spillage.Insulated: The vacuum insulated design ensures your drinks to retain the desired chilled or hot temperature for hours.keeps the beverage warm for 4 to 6 hrs.Convenient: The insulated cup is good for storing any Beverage such as wine, beer, water, juice, cocktails, Coffee, champagne, etc. Use at home, office, picnics or for any outdoors.Leak-Proof Design: The mug features a new-design that delivers 100-percent leak-proof protection. The simple design allows for easy opening and closing of the drink.