1. Every girl’s heart like a lock, you neet to have the key to her. When you shake the harmony ball, a little voice inside will answer any call. When each and every bell rings, the one you love will feel love and peace. 2. You Will Receive: locket(for 18mm inside balls)*1 + 18mm /0.709in ball*1 + 30 O-ring chain*1. More 18mm balls for choose: https://www.amazon.com/dp/B01GNXQVDC 3. Material: Lockets & Metal chains – silver plated copper. Inner balls – copper with non-toxic paint. 100% Eco-Friendly Material. Perfect gifts for Mother??s Day, Easter Day, Christmas Day, Birthday, Valentine’s Day, Engagement, Holiday, Party, Anniversary, Baptism and Baby Shower Day. 4. Chains: 20/24/30/45 chains for sell. We suggest pregnancy use 45 chain to match the unborn baby’s place. Click Add Both to Cart to order long chain in 15% off and enjoy quick shipping. More chains’ link: https://www.amazon.com/dp/B01MR455UG 5. Packaged in EUDORA Gift box, send out within 3 days via USPS amd takes 7-14 days. Also have DHL delivery. EUDORA provides you with great communication, excellent after-sale service. Just buy it with confidence!