Lotka refers to a small woody plant of the Laurel family that grows at over 6000 feet in the Himalayas. It has been traditionally used for centuries, by the people of Nepal to make paper. Lotka paper is a renewable resource, and provides a source of income to paper crafting families and village communities. For you to consider (stated burn times are approximate) the following is from the maker's packaging:
"Ancient Tibetan Red Sandalwood Incense. Red sandalwood - heartwood is bitter, sweet, acrid, cooling aroma, useful in cephalalgia (headache), hemicrania, fever, vomiting, and general debility and mental aberrations. In Ayurveda and Tibetan medicine system, it is an astringent and tonic. Perfectly safe for the inhalation and environment. It contains 30 sticks with 1 incense holder. Each stick burns for 60 minutes. Handmade in Nepal."