Ultralight titanium material, BPA free, odor-free, strong and durable, suitable for home, office, camping, hiking, backpacking, picnic, etc. Features: Made from titanium, lightweight and corrosion-resistant. Pure titanium leaves no metallic smell or taste to the beverage, healthy and reliable. Foldable grab handles provide a firm grip. Smooth round edges and corners for easy cleaning. Comes with a mesh sack for easy storage and carrying. Suitable for home, office, camping, hiking, backpacking, picnic, etc. Specifications: Material: Titanium Capacity: 450 ml / 550 ml ( optional ) 450ml: Cup Size: 85 * 97 mm / 3.3 * 3.8 in Cup Weight: 92 g / 3.2 oz 550ml: Cup Size: 92 * 102 mm / 3.6 * 4.0 in Cup Weight: 100 g / 3.5 oz Packing List: 1 * Cup 1 * Storage Bag Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.