Name: Stainless Steel Cup Shell Material: 304 Stainless Steel Thermal Insulation Performance: 6-12 Hours Material: 316 Stainless Steel Features: 1. Double Drinking Design With Upper And Lower Flip Lid And Portable Carrying Rope 2. The Upper Button Cover Is Thickened, The Suction Nozzle Is Soft And Resistant To Chewing 3. Drink Directly From The Cup Mouth, The Lid Pops Up With A Button, The Cup Mouth Is Large In Diameter, And The Cup Mouth Is Smooth, Which Will Not Hurt Your Mouth 4. Large Diameter Cup Mouth, Easy To Clean, Convenient To Fill With Water, Heat Preservation And Cold Lock, Corrosion Resistance 5. Portable Carrying Rope, Comfortable To Hold, Easy To Carry Package Included: 1* (1 Thermos Cup)