1.metal sewing button 2.Eco-friendly,pass oeko-tex,pull test 3 thick brass,good quality 4.high quality,reasonable price Recognised in the world -----Dr. ButtonBE FROFESSIONAL, BE TRUSTED!! metal sewing buttonITEM CODESB-557MATERIALalloySIZE18-30mmCOLORSILVER OR GOLDADVANTAGE1.In stock (20MM) 2.No MOQ, if have stock 3.free samples 4. Eco-friendly, washable, dry-cleaning, lead-free, nickel- free ...