I'm having a bit of a destash as I don't use these in my jewelery making so much now. 4 gold tone heart charms. I really don't know what these are made of, some alloy I imagine. Size approx. 12mm x 10mm. Please see photo with hand for size reference.Hloe size approx. 2mmOrders are posted Mondays, Wednesdays and Fridays. REMEMBER PAY ONLY ONE LOT OF POSTAGE NO MATTER HOW MANY BEADS YOU BUY.