We have metal and plastic material.If you want high quality and heavy dice,our solid metal material is the best choose;If you have large quantity custom dice order(more than 100,000pcs),we suggest use arcylic material and create mold for the custom logo;If the order quantity less than 10,000pcs,we suggest use resin material.If you uncertainty about the material,Please feel free contact with us,we will give you the professional advice.