Pushing the button dispenses detergent, making it convenient for spot cleaning! I don't see these very often, so I bought several when they were in stock. I am selling the ones I haven't used. The thickness is about 4cm, and shipping costs will apply, so no price reduction is possible. Item Description ● A laundry brush convenient for carrying around when traveling or going out. ● It has an easy-to-use structure that dispenses detergent with a single push. ● An excellent item for spot-cleaning small stains like food spills from children ◎ ● It has a leak-prevention lock function, so you can rest assured when carrying it. 《How to Use》 Open the lid on the top of the main body and put in liquid detergent to use.