These 1/2 oz and 1 oz clear plastic bottles come with smooth natural polypropylene disc top caps. The disc top closures are useful for evenly dispensing small volumes of the bottle's contents, and feature .270" orifices. To dispense product, simply apply light pressure to expose the cap's orifice; press down when not in use to seal the orifice and prevent leakage. These clear PET round bottles could be used to package paints, cleaners, and other industrial products.