These blue anodized aluminum military-style medical alert dog tag pendants (no notch!) come in standard and miniature sizes. Each one comes with a 24" stainless steel ball chain included, making them light (as a feather!) and just 0.050″ thick.
Anodized Aluminum0.050″ thick
Choose from two sizes:
Standard 1-1/8″ wide by 2″ tall
Miniature 7/8″ wide by 1-1/12″ tall