Kokubo
Kokubo Stainless Steel Bottle Detergent
Kokubo Stainless Steel Bottle Detergent is for cleaning, sterilizing, and deodorizing stainless steel bottles easily. Each box has six pieces inside.
Good for use against: Stainless steel, glass, pottery, plastic
Please do not use on: Iron, copper, aluminum, brass, tin, gold, silver, gunmetal
How to use:
Add enough hot water (about 40 ℃) to prevent the bottle from overflowing. Please a packet inside the bottle Leave it as it is for about 2 hours. (If it is very dirty, leave it on overnight). After a while, discard the hot water in the bottle and rinse thoroughly with running water.
Ingredients:
Citric acid (anhydrous), oxygen-based bleaching agent