Stainless Steel Classic Water Cup: The travel mug is made of 18/8 gauge stainless steel with extra paint, rust-proof, durable, easy to use and clean. Vacuum Insulation: The mug features double-layer vacuum insulation to keep your favorite beverages cold or piping hot for hours by the pool, in the office, in the car, anywhere. Simple Colors, Versatile Uses: Classic and travel glasses can be used as wine glasses, champagne glasses, water glasses or travel glasses for sports fans, suitable for parties, picnics, self-driving tours, boat trips, beaches, swimming pools, campingand hiking, etc. Environmental Leak-Proof Cover: Sealed with silicone gasket to prevent spillage to the greatest extent. With a wide mouth drinking hole, straw, and splash guard at the top, you get extra temperature control. Large Capacity and Perfect Size: 500ML/17OZ, suitable for most cup holders. Slim and easy to carry. The perfect gift for yourself, family and friends. Material: 304 stainless steel Capacity: 500ml/17oz Size: 9.2X18.2X6.8cm Colour: Black The package includes: 1*Stainless Steel Cup 1* Straw