1.SB-968 2.metal sewing button for garment 3.Eco-friendly,pass oeko-tex,pull test 4 thick brass,good quality Recognised in the world -----Dr. ButtonBE FROFESSIONAL, BE TRUSTED!! metal sewing button other series available ITEM CODESN-968MATERIAL METALSIZE13-30mmCOLORnickelADVANTAGE1.In stock 2.No MOQ, if have stock 3.free samples 4. Eco-friendly, washable, dry-cleaning, lead-free, nickel- free