This pendant was inspired by Spanish artist Gaudi, and his abstract nautilus ornamentation on the mosaic ceilings at the Park Güell in Barcelona, 

The small cord pendant’s charm is 3/4” long and 1/2” wide, and comes on an adjustable elastic cord that can be made to be any length up to 30”. The large cord pendant’s charm is about 1” in diameter, and comes on a 16” leather cord with a 2” removable extender. If a larger cord is needed, options are available here.