Palo Santo (Bursera Graveolens) aka Holy Wood from Peru. A light scent similar to mint and citrus is a wonderful alternative to those sensitive to the popular sage. May need to be lit several times during ceremony, but worth it! Protective as well as purifying and clearing, it is known for medicinal and thereputic healing. Sold in lots of three . Pieces are irregular, approximate size 3-4 inch.