1、It is not easy to rust, is resistant to acid and alkali corrosion, super resistant to drop and wear. 2、High resistance to extreme low temperatures, durable, sturdy and long service life. 3、Good heat transfer performance, not easy to absorb fragrance, and easy to clean. 4、Healthy, environmentally friendly, can close to the human body, anti‑irritation, no allergies. 5、Foldable handles mug is space efficient, allows you to store easily into backpack and travel bag. 1 x Cup with Foldable Handle Item Type: Cup with Foldable HandleMaterial: Aluminum AlloyColor: BlackCup Inner Diameter: Approx. 7.1cm/ 2.8inCup Height: Approx. 7.8cm/ 3.1inHandle Size: Approx. 5.5x 4.6cm/ 2.2x 1.8inWeight: Approx. 88.0g/ 3.1ozCapacity: 300ML