Ceramic chopstick rest from Gifu, Japan. As these are handmade, the color and pattern may be slightly different from the pictures. 

Size (cm):

Gyoza: 6.2 x 2.7 x 2.6"h

Xiao long bao: 5.3 x 2.9 x 1.8"h

Shumai: 3.2 x 3.2 x 2.2"h