Crafted from steel and curved glass. 54 chandelier uses five 60-watt max E12 bulbs (not included). 65 chandelier uses twelve 60-watt max E12 bulbs (not included). We recommend our Arhaus LED Candelabra E12 Bulbs (6610071B134). 54 chandelier has an adjustable drop length that ranges from 22.5-165.55. 65 chandelier has an adjustable drop length that ranges from 27-171. Cannot be mounted on a vaulted ceiling. Steel chains measure 144 long. Canopy measures 28.75 w x 5.25 d x 1 h. Black fabric cord measures 150 long. Hardwired; professional installation recommended. Mounting hardware included. ETL Certified Dry. In order to protect the delicate glass of this collection, some assembly upon delivery to your home will be required.