These eco-friendly briquettes are manufactured entirely of sawdust from oak and ash trees; no glues or other chemicals are used in their production. They work well in long-burning stoves and fireplaces where the air volume can be adjusted. These RUF oak briquettes’ packaging makes it simple to move and store them. The briquettes look great next to any fire-burning appliance and are simple to stack because of their brick-like shape.