* It is 925 sterling silver * It weighs 4-30 grams * 5 stones and a single stone, 3 mm stone * Sent with a box and bag * Stones are Nailed (no falling out) There is rhodium plating on the silver, which prevents tarnishing. Zircon stone is used. The stone part has prongs. You will not have any problems with it falling. When you do not use the silver products, keep them in ziplock bags in an airtight manner. Your cargo will be shipped in a boxed package. Contact us for all your questions about the product.