Each earring has a bell inside!Material:•S925 Sterling Silver Hooks•Lead and Nickel Free Back Orders:•1-3 Weeks processing time for BACK ORDERS •All other items purchased will be mailed out together with back order items when they arrive.•Please place a separate order if you wish to receive your other products before your Back order item arrives.  Processing Time: 2-8 Business daysLocal Shipping Time: 2-5 Business daysInternational Shipping Time: 5-16 Business days  Jewellery Care Tips:Keep away from water and moisture to preserve its shine.Please avoid contact with moisture for all jewellery.Apply any sprays, lotions and perfumes before putting on jewellery.To prolong the nature of its colour and shine of your jewellery, keep it as dry as possible.