Rutland Fire Starter are easy to light even when wet and they burn up to 10 minutes. Simply break off one or two squares and set them on wood or pellets. Light by touching a match to the rough edge of a square. These environmentally friendly, non-toxic squares are made of compressed recycled wood chips, paper fiver, and wax, and can be used indoors or outdoors with fireplaces, wood stoves, pellet stoves, fire pits, and ceramic grills. For best results always store in cool dry places.