The ingredients in OdorTrap beads are as follows: Ethylene-vinyl acetate (EVA); Cedarwood Atlantic oil; Cedarwood Virginia oil; Proprietary Plant-based Diluent (Trade Secret per Uniform Secrets Act); Proprietary natural plant oil blend (Trade Secret per Uniform Secrets Act [ingredients may include those found at IFRAOrg.org]**); and Orange Dye. View the full list of ingredients.