The Bejeweled Tam Lotus amulet itself is approx. 1" x 1" x 1.5". The overall length of the Feng Shui Bejeweled Tam Lotus Keychain Amulet is approx. 3.5".  It is made of metal.

Warning: This item can expose you to chemicals, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov