TRENDY NECKLACES : Refined chain necklace featuring playful pink padlock heart and coordinating key charm pendant perfect for everyday. LIGHTWEIGHT NECKLACES : Lightweight necklace easy to put on and take off. Necklace has an adjustable lobster clasp closure. MEASUREMENTS : 16" + 3" Extender (L), 1"-1.25" (Pendant drop length) PERFECT FOR GIFTING : Wonderful gift for all year-round especially as Birthday Gifts, Graduation Gifts, Prom Gifts, Homecoming Gifts, Friendship Gifts, Mother's Day Gifts, Women's Day Gifts, Friendship Gifts, Christmas Gifts, Hannukah Gifts, or any other holiday gifts. HYPOALLERGENIC JEWELRY: Made with nickel and lead free metal that is less likely to cause any allergic reaction. Additional material includes glass crystal.