K-12 - What is the environmental commitment for rings? Please click here for more information about our environmental stewardship and human rights. Related to high school class rings Related articles K-12 - What kind of metal are class rings made of? K-12 - What is the best way to care for my class ring? K-12 - What is covered under the Herff Jones Ring Warranty? K-12 - How do I report my ring as lost? K-12 - What is the cost to replace my ring?