NON-CORROSIVE FORMULA: Our machine tablets are made of non-corrosive formula, non- and harmless, can be used with peace of mind and protect the coffee machine. POWERFUL FUNCTION: Deep cleaning easily removes grease and limescale from the coffee maker, prolonging the life of the coffee maker. DELICIOUS COFFEE: Regular use of the tablets keeps the machine free of grease residue, making the coffee taste more delicious, and pure and mellow. EASY TO USE: Put in the machine tablets and start the coffee maker program with one button, keep everything running smoothly and automatically. COMPATIBILITY: Suitable for full-automatic coffee makers/semi-automatic coffee makers, widely used in homes, offices, coffee shops.