... ,polyester 2) 2-hole or 4-hole, 14L-60L,Down hole 3)according to customer's request. 1.plastic button1) Material: plastic,resin, ... Labels, zipper sliders,Plastic/Metal buckles,woven labels,tags,buttons,rings, lanyard, velcro tapes. 2) All products meet ... the European Standards and Environmentally-friendly Standards3.Certificate 4 holes plastic button