Hot Air Balloon Necklace Pastel Enamel Crystal Ribbon Pendant Vintage Retro Ships from the USA Air Balloon Charm Necklace. Applied pastel enamel with crystal detailing along bottom of balloon. Balloon Pendant Length Measures 2.5 inches. Chain Length Laying Flat, Open from Clasp to End: 27.5 inches. Makes a perfect gift. Search Magic Metal Jewelry for more jewelry styles.