About the Product Our coffee stain cleaning effervescent tablets contain baking soda, sodium percarbonate, and lemon extract. It can gently remove stains without damaging tea sets, does not contain harmful substances, and does not require manual scrubbing. Soaking can effectively remove scales against 99.9% of bacteria. Its usage is very simple: first, place the cup directly into warm water at 60-80 degrees Celsius, take an effervescent tablet, put it into the water, wait 5-15 minutes for the stain to completely dissolve, and finally remove the cup and rinse with clean water. After use, it can effectively remove stains, kill bacteria, eliminate odors, and restore the cleaned items to like new. Product Name: Coffee Stain Cleaning Effervescent Tablets Product Ingredients: Baking Soda, Sodium Percarbonate, Lemon Extract Keywords: Cleans greasy stains Weight: 238g Product Specifications: 10pcs Product Size: 3*1.5cm Note: Light reflection and different monitors may cause the color of the product in the picture to be slightly different from the actual product. Slight errors are allowed in the measurements.