Oeko-Tex® 100
Zulu & Zephyr metal hardwaresuch as branded clasps and buttons are Oeko-Tex® 100 Standard which ensures that no harmful substances are present.
Zulu & Zephyr branded buttons are also produced in line with Oeko-Tex® 100 Standard.
Look for the Oeko-Tex® 100 Standard eco key for certified styles.