Inner Straw: This water bottle is design with inner straw, allowing you to drink water in the bottle more easily Material: This vacuum cup is made of stainless steel, tough and durable, not easy to rust, reliable to use Large Capacity: The portable water drinkware is 400ml large capacity, which is enough for daily use Wide Applications: This is insulated cup is perfect for home, office, travel, outdoor sports, etc Easy Use: This vaccum flask is convenient to use, just press the lid and then the bottle cover is open Description: Inner Straw: This water bottle is design with inner straw, allowing you to drink water in the bottle more easily. Material: This vacuum cup is made of stainless steel, tough and durable, not easy to rust, reliable to use. Large Capacity: The portable water drinkware is 400ml large capacity, which is enough for daily use. Wide Applications: This is insulated cup is perfect for home, office, travel, outdoor sports, etc. Easy Use: This vaccum flask is convenient to use, just press the lid and then the bottle cover is open. Specification: Material: Stainless Steel. Color: yellow, blue, pink, beige. Size: show as pictures. Capacity: 400ml. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Vacuum Cup.