1.The vacuum cup is made of three parts: cup body, water switch and cup lid.
2.Material of cup body and lid are good quality stainless steel. Material of water switch is food grade PP. High quality craft in Matting surface of cup body.
3.The inner tank is mould-resistance.
9. Size:250*680mm Volume:500ml Net weight:350g

• The item is light but strong, with a portable sling, make it easy to carry.
• Could use the cup lid to drink in case of scald
• Do not have to worry about leakage due to sealing of water switch.
• Durable 6h keep hot water over 60℃ or Durable 6h keep cold water about 5℃.
• Suitable for outdoors, home or school etc.

The item is light but strong, with a portable sling, make it easy to carry.Momoyaya