Bangles by Heather McDermott These triangle stainless steel bangles look great in a stack of 5. Every set is unique, one may have tubing on one side or on all three. The bangles are made in a standard size. One side of the bangle will be 9cm which allows you to slide on to the hand with the other 2 sides being slightly shorter so that thay sit comfortably on the wrist. Features Primary Material : stainless steel Inside Diameter (mm) : 90 One of a Kind : No Hallmarked : No Cleaning InstructionsStainless steel is a non-tarnish material ensuring low maintenance.