The crystal dolphin necklace symbolizes wisdom, gentleness, intelligence, good luck, and protection. Dolphins are known as human friends, and this pendant features a cute dolphin playing happily with waves. The pendant measures 0.87 by 0.72 inches, with an 18-inch adjustable chain that fits most women. Weighing 6 grams, it is made of 925 sterling silver, hypoallergenic and quality-tested. This dolphin jewelry set includes one necklace and a gift box, making it a perfect present for mom, grandma, wife, girlfriend, or best friend. It suits birthdays, Christmas, Valentine's Day, Mother's Day, or any special occasion. Note that silver jewelry may oxidize over time. To clean it, gently use toothpaste to restore its shine.