Tranquility Biggies sticks. A relaxing citrus blend with notes of grapefruit and cedar. (19" long) Each Wild Berry Incense is aromatic and sensual in its own way. Wild Berry incense has been lovingly hand-dipped since 1971. Each incense stick is made from proprietary formulas of only the finest ingredients. Wild Berry guarantees their incense to be fresh and rewarding to the senses a stick of Wild Berry incense will burn approximately 1 hour.