Trường Bộ Kinh (Digha Nikaya) 1:1429
SUJATOEtena upāyena pañcahi yugasatehi rañño cakkavattissa sarīraṁ veṭhetvā āyasāya teladoṇiyā pakkhipitvā aññissā āyasāya doṇiyā paṭikujjitvā sabbagandhānaṁ citakaṁ karitvā rañño cakkavattissa sarīraṁ jhāpenti.
In this way they wrap the corpse with five hundred double-layers. Then they place it in an iron casket filled with oil and close it up with another casket. Then, having built a funeral pyre out of all kinds of aromatics, they cremate the corpse.