Transformation, strength - the legendary thunderbird handcrafted necklace features handmade pendant in genuine turquoise, delicate ball chain adds uniqueness. Length: adjustable 16-18" Material: sterling silver, genuine turquoise. Each piece is handmade in Irvine Ca. by a small jeweler specializing in high quality and unique designs. Their work has been featured Vogue magazines and have been around for 14 years.