Constitutionally bound: our blue knot is a tribute to a distinguishing fact about this sorority. Zeta Phi Beta Sorority Incorporated is the only sorority that is constitutionally bound to a fraternity, Phi Beta Sigma Fraternity incorporated. This candle features the aroma of Smooth and creamy moringa cream, salted coconut and almond blossoms. This aroma has mood boosting benefits including: uplifting, soothing, calming, and anti-anxiety.