These shingles are sold by the square metre.
Please note that these may not match old cedar shingles in shape (square cut, not tapered), size (each tile is 400mm long - course size of 200mm) and thickness (10mm from top to bottom) ) if you are trying to patch them in, or if you are trying to match to any existing shingles.
NB - these ridges need to be fixed with stainless steel nails (not included).