Guitar plectrums / picks were originally made of tortoise shell. Today, they are made of all kinds of natural and artificial materials as well as variety of shapes.
Pickboy Guitar Picks Heavy Metal Polk-a-dots 1.0mm Heavy Celltex
Pickboy Guitar Picks Vintage Classic Black Rounded Tri 1.20mm 10 pack
10 Pack Pickboy Flag Graphic Guitar Picks Celltex .75mm Medium
10 Pack Pickboy Celluloid Guitar Picks Confetti / Multi 1.0mm Heavy
10 Pack Pickboy Celluloid Guitar Picks Confetti / Multi .75mm Medium