Very dainty pendant for your special night out, or for the 21st gift to your daughter - solid sterling silver key on a very fine  0.9mm x 450mm sterling silver chain. Parrot clasp.
 
Dimentions:  37mm x 16mm
 
It is customary to give your daughter a key on a chain on her 21st, to remind het that your door will always be open when she needs you!