LQZ(TM) 150Pcs Silicone Rubber Stoppers for Use Alone or with Clip Lock Spacer Charm - Clear Quantity:150 Pcs Material: Rubber Silicone Size (Approx): Outer Dia: 6mm Hole Size: 2mm Thickness: 1.8mm Colors:Black Fits: All Major Brand Bracelets,Such as Pandora, Chamilia, Carlo Biagi, Zable, and Other Add-a-Bead Bracelets.