comprise slack wax (as to approximately 55% of the total weight), hardwood sawdust (as to approximately 42% of the total weight), and crackle seeds (as to approximately 3.2% of the total weight);

were manufactured from those constituents by a process of heat treatment and extrusion;

are firelogs approximately 235mm in length and 80 mm in diameter, with grooves along the faces;

have an average weight of 1.1kg per firelog; and

have a sulphur content not exceeding 0.1% of the total weight.