The booklet has , an economical,50 + 50 Leaves untied leaves of equal dimensions, narrow and short format, just like the Single. Very good packaging for those who want to save money. Ultraslim, transparent and resistant. Because the low porosity the paper has a slow-combustion so the cigarette does not burn down if it is not being smoked.The gum is natural arabic made from acacia resin, with no additives.