This Celtic circle knot Triquetra necklace trinity pendant is made of solid hypoallergenic stainless steel. The trinity knot or Celtic triquetra holds many meanings, it is known to represent the balance between the body, mind, and spirit. This beautiful Celtic jewelry piece has a high polish finish and is approximately 29mm in diameter x 1mm thick. The bail can accommodate a chain or cord necklace up to 3mm. This pendant will arrive ready to wear on a 20-inch stainless steel curb chain necklace.