comprise 29% paraffin wax, 20% plant derived wax, 17% 6mm diameter wood pellets and 34% sawdust (by weight);

were manufactured from those constituents by a process of mixing and extruding;

are approximately 237 millimetres in length, 75 millimetres in depth and 75 millimetres in height with 6 grooves;

have an average weight of 1.1 kilograms; and

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