... Sizes: 25mm, 32mm, 37mm, 44mm, 50mm, 56mm ,58mm 75mmShape: round, oval, rectangle, square,triangle,heart-shapedMaterial: tin, bronze, steel, silver ... factory 3.lower price 4.Material:tin,plasticcustom made round tin badge/button badge Materialtin,plasticTechniqueprintingAttachment on the backsafty ... especial requirements D: packing with or without paper cards Metal Tinplate Plastic Round Pin Badge