1.Made of tin metal with pins on the back. 2.Round, square, rectangle shape available. 3.Cost effective gift ... 1-102MaterialMetal tin + art paper + pinThickness0.3~0.4mmSizeRound shape—25, 30, 32, 35, 38, 40, 44, ... 55*55, 65*65 mmImprint MethodDie cut + Full color processColors All colors, Pantone matching availablePackaging1pc/opp bag, 2000pcs ... proof approved Hello kitty button badge with display box