Our sterling silver key ring is engraved with the Tibetan Tara (Green) mantra (om tare tutare ture soha). Tara is the goddess of universal compassion and enlightenment. One would meditate using this mantra. We’ve given this 1 1/2" (3.8 cm) medallion the modified shape of a japanese mokkan or wood tablet. Mounted on a 1" sterling silver key split wire key ring.