This glass cluster chain chandelier pendant was made by melting glass rod in a 2,000 degree flame and interconnecting each component. Matching chandelier earrings available. Made with Borosilicate (Pyrex) Glass, Life Time Warranty. Necklace adjusts from 16" - 30" Pendent Approx. 2" Tall, 1.5" Wide Each piece comes with info card about the artist and how the piece is made.