FreeKeychain (blank) can add what you want with favorite editor
Printables
10 model
Free
FreeKeychain Lifeguard and Blank in the back
Printables
FreeKeychain Cross Lifeguard and Blank in the back
Printables
FreeAssumption Keychain Whistle + Blank Version for Customization
Printables
FreeSimple Keychain Base
Printables
FreeBlank Panther Mask Keychain
Printables
FreeNumber plate Keychain blank
Printables
FreeStep File Blank Template Medallion Keychain and Coin
Printables
FreeFree Blank Nametag
Printables
FreeGyroscopic Spinning Maker Coin
Printables