Features: Solid topgrade corrosion-resistant titanium construction for strength at minimal weight; Completely biocompatible and no leaching chemicals. Black plastic cap with handy, sturdy loop. Capacity: 22 ounces (650 ml). Weight: 4.6 ounces (130 grams). Diameter: 2.8 inches (70 mm). Bottle Height: 8.6 inches (220 mm). Titanium does not react to human fluids, so over time it will remain 100% safe. Will fit in most standard water bottle carriers.