This is a Stella McCartney perforated round keyring.
Stüssy
Scuffers
Marc Jacobs
Stella Mccartney
A.P.C.
LOEWE
Balmain
Dr. Martens
Brain Dead
Tokidoki
Toga Pulla
Carhartt
Anya Hindmarch
Hvisk
Arte Antwerp
Acne Studios