D'Addario Black Celluloid Guitar Picks Wide Shape X-Heavy 1.25mm 100-Pack - 2CBK7-10

The D'Addario 2CBK7 is a premium wide shape celluloid picks in black, extra heavy gauge. 

Celluloid is one of the most popular guitar pick materials today.

Celluloid is known for providing a natural feel and warm, fat tone. A man-made material, celluloid was first introduced in the early 1900's as a substitute for natural tortoise shell picks.