HOUSWEETY 10PCs Stainless Steel Stamping Blank Tags Charm Pendants Round Donut 30mm(1 1/8") Dia. Approx:30mm Dia.(1 1/8");Hole size: 1.6mm(1/8") Thickness: 0.7mm Main Material: Stainless steel(Cadmium Free); Color: dull silver tone(not silver plated); High quality stainless steel,no fading, nondeformable, allergy free; Not easily to bend and could be printed and engraved very well. Can be worn directly or DIY on the back to your own preferences.It could also be used as a creative bookmark; Perfect findings for a variety of jewelry making.Every findings has its unique design and style and theme, hence the jewelry made with them are unique and represent your own fashion.