Three Kings Charcoal Tablets home-size come in a box of 10 rolls, 10 charcoals each, in 33mm size. Self-ignite Coals for burning your Mystic Temple Charcoal-burning Resin Incenses. This size of this coal is recommended for homes and smaller rooms. Use only in a charcoal-safe burner, with coaster underneath to protect furniture. May also be used for sheesha pipes. Made in Netherlands from charred willow wood.