Our white shoe cleaning tablets contain sodium bicarbonate and sodium dodecyl sulfate. It can quickly remove dirt, stains, and dust from the surface of white shoes, making the shoe upper look brand new. Its usage is very simple: take a effervescent tablet, put it in water, wait for it to dissolve, soak the shoes that need to be cleaned in water for 5 minutes, and rinse with clean water. And it can clean white shoes.