Material:stainless steel, neodyminum magnets
Logo:can laser print your logo on backside or clasp according to your request.
Size:length:7.5-8.5 inch ,width :6mm, 8mm,10mm , 12mm, 15mm, 18mm.thickness: 3mm  (adjustable)
Package:OPP bag or static film, 1pc/pp bag, 500pcs/ctn.