*MATERIALS: Waterproof, Anti-Tarnish 14KG FILLED and Sterling Silver. *BALL BEAD SIZE: 2mm/3mm/4mm/5mm/6mm/7mm/8mm *STRETCHY LENGTH: 6.5"/ 7" (Custom sizing upon request) *CLASP LENGTH: 6.25" with 1.5" extension *Made in Miami - Made with love:) *We pride ourselves on high quality materials when making our jewelry. We use 14k Gold filled and solid Sterling Silver 925. All pieces are hypoallergenic, safe for sensitive skin, and always nickel free. All Jewelry is able to be worn in the pool, shower, ocean, or wherever your bohemian adventures take you. ABOUT GOLD FILLED Gold filled jewelry is jewelry that has a layer of solid gold bonded with heat and pressure to a durable metal such as sterling silver. Gold filled pieces are significantly higher quality and stronger than typical gold plating and will last for years to come.