High quality pins with heat resistant glass heads.  The pins are polished lengthwise to ensure smooth piercing of the fabric.  

Beautiful hand blown glass head pins.  Aosora means Blue Sky.

10 pins in pack.  The pins measure 0.50mm x 35.0mm (about 1.38" long)

Tulip company of Hiroshima, Japan has been making sewing needles since 1948.  Well-known for their quality sewing needles and pins, they now make some of the finest sashiko needles available.