... ,750g,800g 100% virgin PET material 19L Drinking Water 750G PET bottle preform: Features:1)100% new PET resin with IV more than 0 ... ) High smoothness5) High light-reflection rate6) 55mm standard neck size, with weight of 340g,350g,450g,480g,560g,600g, 630g, 650g ... ), 730g,750g and 800g available.7) Different color (clear,light blue, dark blue, violet,transparent,green,yellow,pink etc)can be offered ...