Each 3D Metal Trinket Boxes is composed of three different metals (nickel, copper, and brass) and features an embellishment on each lid and decoration etched on the outside. There is no lead or any other harmful substance in the metals; all metal pieces are designed to be safe as possible, with a minimum of sharp corners and edges. Only lead free solder is used. Size: 2 1/2″ wide by 2 1/2″ tall Handcrafted in Chiang Mai, Thailand.