Natural White iridescent Mother of Pearl button. A very good quality, fairly thick (almost 1/8") for its small size, 2-hole button with beautiful sheen, for blouses, children's garments, etc. Each one is hand made so there is slight, charming variance.  Raised rim, rounded square. They look delicate but are quite strong. They are white; almost bright white.  

Sold in packs of 4. This is for the smallest size, 3/8"  $5.00/pack of 4. 

Other sizes of the same button:

7/16"   Item # 689

1/2"   Item # 688

5/8", largest size,  Item # 687