Amsterdam Combo, 3 bottles

Amsterdam Combo: 3 Bottles. Amsterdam has long been one of the most popular Poppers brands. But there are many different Amsterdam Poppers. With this package, you’ll get Amsterdam in three different bottle sizes and with three different base formulas. Amsterdam Special (small), based on the Canadian Pentyl Formula; Amsterdam Special 25 ml, based on the Pentyl Formula; and the extra-strong The Real Amsterdam 30 ml, based on the Hexyl Formula. Go ahead and try out the different varieties of Amsterdam Poppers.