Description: High quality wall vacuum stainless steel,easy to clean,anti fouling. Excellent cold and heat preservation effect,keep water hot or cold for 12 to 24 hours. Food-grade plastics parts,100% BPA Free,antibacterial processing,environmental health. High capacity satisfied the daily outdoor drinking . Best choice for school,office,outdoor travel. Color: White,Black Material: Plastic,Metal Product Diameter: 80mm Product Length: 200mm Rope Length: 380mm/820mm Capacity: 230ml Package Included: 1 x Thermos Cup,2 x Ropes