CLASILVERIC Chain: our thinnest and most dainty chain (great quality, durable, waterproof), perfect for those who like to take their jewellery off before sleeping/physical activity, and lead a leSTERLING risk-taking/active lifestyle. Deluxe Chain: a thicker version of the CLASILVERIC Chain (amazing quality, very durable, waterproof), perfect for those who want their chain to pop/stand out a little more, lead a more active lifestyle, and who don't want to worry about taking their pieces off before sleeping/any physical activity.