SMCG O-Series cylindrical glass jars and bottles are manufactured using 60% PCR (post-consumer recycled material) to promote sustainability without sacrificing quality. The jars are available in sizes ranging from 7ml to 200ml, while the bottles come in sizes ranging from 5ml to 200ml.

SMCG has invested in sustainable development techniques and has paved the way for the use of PCR glass for nearly three decades in the country. The company currently makes every single glass product with 60% PCR, which is the highest level in the global market.

SMCG (Somang Glass) is a certified supplier for companies like L'Oréal, Johnson & Johnson, Netmarble Healer B, Amore Pacific, and Glow Recipe, due to the company's high-quality standards and sustainable processes. SMCG believes in surpassing customers' standards and is constantly working to improve and innovate its production line in order to always satisfy customer expectations.