Safe MaterialThis Silver Necklace is made of 925 Sterling Silver + AAAAA Blue Cubic Zirconia. Crafted with sturdy silver butterfly backs, avoid falling off easily. Without any harmful ingredients, it's a High Polished, Nickel-free and Anti-allergic earrings. Unfading materials give you a feeling of lasting freshness. Perfect to keep as Daily Jewellery. .Suitable Size & AAAAA Cubic Zirconia Silver Chain Length: Adjustable, from 40 to 45cm. Pendant Size: 15*15mm. Zirconia Size: 4.5*4.5mm. In the central of the earring, it is inlaid with a gem-quality 5A cubic zirconia, with the most accurate size and perfect cutting & 3 rows of tiny zirconias scattered from the side, reflecting the dazzling light like a diamond. Zirconias are improved and fixed by SOLID CLAWS, DON'T worry they will fall off easily .Easy to MatchThis simple and classic design sterling silver necklace can be used for any casual occasions like parties / weddings / prom / banquet, etc. These simple Studs will liven up your clothes, Suitable for Matching T-shirt / Skirt / Jeans / Dress / Suit / Sweater / Coat etc.