Pack of six, heavy duty Barnes dropping bottles made of transparent soda glass. 30ml (1oz) capacity. Suitable for a variety of applications in the household, classroom or laboratory. Excellent for transferring and mixing essential oils, indicators, stains or other aqueous solutions. Bottle includes a screw top cap with built in glass, 1ml capacity pipette dropper and rubber bulb. Bottle (with screw cap) measures 3.75" tall and 1.4" in diameter.