Lightweight and compact pocket mug that can keep you hot or cold Ultra lightweight approximately 3.4 oz (95 g) Size (W x D x H): Approx. 1.8 x 1.8 x 5.7 inches (4.5 x 4.5 x 14.5 cm); Weight: Approx. 3.4 oz (95 g); Capacity: 5.3 fl oz (15 Heat Retention: Over 122°F (55°C) (6 hours) / Cold Retention: Under 44°F (11°C) (6 hours) Country of Origin: Malaysia Material: Inner bottle: Stainless steel; Body: Stainless steel (acrylic resin coating); Lid: Polypropylene (built-in polypropylene foam); Gasket: Silicone rubber