(Note: Due to the cold weather, according to the inner wall of the glass thermal expansion and contraction principle, 

Do not pour boiling water directly, you must first pour a small amount of warm water preheating about yo! ) 

alt pro, alt recommended size: 

280ml: suitable for children to use, a little cute. 

    360ml: suitable for young adults. Oh, can be equipped with couples suite. 

550ml: suitable for the elderly and outdoor sports business travelers! 

Suitable for medium and small family! Limited number quickly start it! ! alt 

Glass cups, nontoxic, healthy clear, 

  With a warm cup sets, seasons suitable!!