Specification:MaterialTitaniumCapacityS: 250mlM: 300mlL: 400mlXL: 450mlDimensionsS: 131x28mm(DxH)M: 140.5x28mm(DxH)L: 168x28mm(DxH)XL: 180x28mm(DxH)WeightS: 46gM: 50gL: 57gXL: 70gFeatures:1. Pure titanium,lightweight and stronger than steel.2. Never rust,anti-corrosion from acid and alkali.3. High r..