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 seven different sizes: 52, 54, 56, 56, 58, 58 and 60. Note that these are European size, indicating the inner circumference of the ring in millimeter.