Puly Caff Tablets, otherwise known as Puly Tabs are the compressed pill like tablet detergent cleaners used for the cleaning cycles on bean to cup espresso coffee machines, sometimes referred to as superauto or automatic cappuccino makers. They are Biodegradable in accordance with the laws in force and have been tested and consequently certified by NSF International for the possible effects on health and for the corrosives of specific professional chemical detergents for espresso coffee machines.