Dropping bottles are made of LDPE (low density polyethylene).
Dropping bottles with tips can be used to dispense a stream of liquid or a non-controlled drop. Dropping bottles, tips and caps are packaged separately.
The extended controlled dropper tip dispneses one drop at a time, with an average drop size of 44 µl ±6 µl. Radiation grade polypropylene screw caps and tips packaged separately. Dropping bottles, natural tips and white caps are packaged separately.