Medium is steel. Mica lens.

Fitted with a four light porcelain sockets for 40 watt bulbs
Dry location only
For ironwork products the patina is rust or black iron.  
Choice for mica is amber, or natural silver.
Mica used in harsh outdoor conditions will need to be replaced every 3-4 years.
Choice of compact fluorescent products please select on order form.
Unless otherwise specified we do not recommend using over 60 watt bulbs for any of the pendants.
This pendant products come with three feet of chain for a laced pendant mount.   
Also included is a cover plate and mounting hardware.
This pendant products will require a reinforced junction box for the additional weight.
 Please inquire if you have any concerns or questions about the weight appropriateness of fixtures.