We will ship with track number for free when you pay ,Thanks !Titanium Sport BottleItem:Ti3031Material:Pure Titanium Seals:Food Grade SiliconeSurface:SandblastingDimensions:(D)70 x(H)195mm Weight:96g Capacity:550mlMaterial of the seal:Baby food level SiliconEach Bottle is with unique serial numberProduct Advantages:1. Pure titanium,lightweight and stronger than steel.2. Never rust,anti-corrosion from acid and alkali.3. High resistance to extreme low and high temperature.4. Healthy,eco-friendly close to human body.5. Titanium can inhibit the growth of bacteriaNote: When bottle with dry ice,carbonated drinks will causes jug pressure and lead to the lid can't be opened or inner liquor belching out and other dangerous.When bottle with hot water,please place where children can't touch to against burning.Package Included: 1 × Titanium Sport Bottle 550ml Ti3031 1 x Kettle Bag