Sagrada Madre Botanical Gardenia Calendula Incense Sticks Contents: Format: 1 box x 6 thick sticks. Handmade Duration: each stick lasts 1 hour Composition: Calendula flowers, concentrated gardenia oil, charcoal, fruit biomass, natural binder and salt. The pure aroma of Gardenia when combined with the naturalness of Calendula imbues everything with spiritual warmth.