What pack sizes and packaging formats are listed for Setlers Spearmint calcium carbonate antacid chewable tablets?

Setlers Spearmint calcium carbonate antacid chewable tablets are listed as 36-tablet boxboard cartons (three 12-tablet coated paper-lined foil rolls) or 24-tablet boxboard cartons (two 12-tablet PVC-film blisters sealed with aluminium foil with heat-seal lacquer); not all pack sizes may be marketed.