Answer
Covonia Chesty Cough Mixture Mentholated uses an amber glass bottle with a 28 mm tamper-evident polypropylene cap with a PE liner for all listed sizes: 50, 150, 180, 200 and 300 ml.
Sources for this answer
- Covonia Chesty Cough Mixture Mentholated / Covonia Mucus Cough Oral SolutionThornton & Ross Ltd · emc · SmPC §6.5 Nature and contents of container · Version 5Document updated
Sources checked