♬ Which is which ? ♬

Now, 

　　Coffee time

①

・・・・・　from previous my photo ↓

　　　　　　　　　　　　　　　　　　　　　②

which is which ?

You can tell by the shape,

  but you can't know 

       the width, height, and depth

     unless you arrange them side by side

Just like this !