This necklace is designed by me. The oval pendant is made from Pyrex Snowflake (turquoise on white) divided dish with an alloy steel backing on an 18-inch adjustable metal chain with lobster claw clasp. The Pyrex Snowflake was produced between 1956 - 1967. The white snowflake on turquoise was one of Corning’s longest running product lines. This necklace makes a great gift for the Pyrex collector! ❄️ *This listing does not include a Pyrex dish. Picture is intended for reference only.