21mm*25mm Keychain-style B, Black Keychain-**custom Engraving**, Black Keychain-addison Disease, Black Keychain-asthma, Black Keychain-blood thinner, Black Keychain-dnr(do not resuscitate), Black Keychain-epilepsy, Black Keychain-pacemaker, Black Keychain-penicillin allergy, Black Keychain-type 1 diabetes, Black Keychain-type 2 Diabetes, Black Keychain-xarelto, Black Necklace-**custom engraving**, Gold Necklace-**custom engraving**, Silver Keychain 01-type 2 diabetes, Silver Keychain 02-**custom engraving**, Silver Keychain 02-addison disease, Silver Keychain 02-asthma, Silver Keychain 02-blood thinner, Silver Keychain 02-coumadin, Silver Keychain 02-dnr(do not resuscitate), Silver Keychain 02-pacemaker, Silver Keychain 02-penicillin allergy, Silver Keychain 02-seizures, Silver Keychain 02-type 1 diabetes, Silver Keychain 02-type 2 diabetes, Silver Keychain 02-warfarin, Silver Keychain 02-xarelto, Silver Necklace-**custom engraving**, Silver Necklace-blood thinner, Silver Necklace-coumadin, Silver Necklace-dnr(do not resuscitate), Silver Necklace-pacemaker, Silver Necklace-penicillin allergy, Silver Necklace-seizures, Silver Necklace-type 1 diabetes, Silver Necklace-type 2 diabetes, Silver Necklace-warfarin, Silver Necklace-xarelto