19L Drinking Water 750G PET bottle preform: 340g,350g,450g,480g,560g,600g,630g,650g,680g,700g, 715g,730g,750g,800g 100% virgin PET material 19L Drinking Water 750G PET bottle preform: Features:1)100% new PET resin with IV more than 0.86.2) High transparency.3) High toughness.4) High smoothness5) High light-reflection rate6) 55mm standard neck size, with weight of 340g,350g,450g,480g,560g,600g, ...