Model:Ti1514B Material: 99.8% titanium Size: (Top D)55 x (Bottom D)25 x (H)35mm Weight: about 21g Capacity: about 30ml Features: 1.Double-wall design, heat Insulation effectively. 2.Made of pure titanium, can preserve the taste of tea/wine better. 3.Mini size, ultralight and portable in outdoor. About Titanium 1.Pure titanium,lightweight and stronger than steel,much lighter and stronger than steel. 2.Never rust,anti-corrosion from acid and alkali.Super anti-fall and wearproof. 3.High resistance to extreme low and high temperature. 4.Good heat transfer performance, not easy suck flavour, easy to clean. 5.Healthy,eco-friendly close to human body, anti-irritation, no allergies.