Polylab Wash Bottles are made of Low Density Polyethylene which gives these bottles a translucent & unbreakable character. Solutions can be poured easily by sueezing the bottle lightly. The cap is fitted with a flexible polyethylene delivery tube which can be aimed wherever required. The distinguishing feature that these bottles contain is the built in delivery tube making it a one-piece Wash Bottles. These Bottles are graduated on the outer surface to give an approximate idea about the volume of solution filled or dispensed.