White Strong & Flexible: White nylon plastic with a matte finish and slight grainy feel.
About this Product
Sixth Sense is a six-banded puzzle rings, conceived by Bram Cohen and developed by Oskar van Deventer. This is a set of six different sizes: 56, 58, 60,60, 62 and 64. Note that these are European size, indicating the inner circumference of the ring in millimeter.