... PE plastic,one time use,bule or white color3.Equipped with stopper,in top wear, absolute one-off hole without ... repetition use, eliminate mask seal, appropriate heating cover with lid membrane, outer wall edge, in a tear when ... -in-one, four-in-one, recycle or one-way.With one time heat sticker and inner liner or not screw ... to customers' design plastic bottle cap (plastic,for water drink)