Sets Contain 1 glass reed diffuser bottle with stopper and black tassle 12 reeds 1 funnel 8oz of fragrance Use the funnel fill glamour vessel. Release immediate aroma by flipping or rotate reeds to regulate and increase fragrance intensity .The more you flip or rotate the more intense the fragrance! The fragrance may naturally darken as evaporation occurs. Sunlight and heat will intensify the darkening . Depending on sunlight, heat and how often the glamour reeds are rotated this 8oz glamour diffuser should last between 2-3 months. Be advised these glamour reeds are soooo fabulous, you will want more.