NEONBLOND Sterling Silver Bead Medical Alert, type 2 diabetes Charm Fits All European Bracelets Fits all major brand Bracelets such as Pandora, Troll, Chamilia, Carlo Biagi, Zable, and other add-a-bead bracelets! Hole size is approximately 4.8 to 5mm - Bead Size is 14mm x 9mm Money-back Satisfaction Guarantee Made in Atlanta ,GA