How to install the sponge head: Align the groove and forcefully insert the iron clip on the sponge head into the groove. And if you want to remove the sponge head, just press the button on the sponge head and pull it out. Sponge mop honeycomb sponge: There are 2 sponge heads in the mop box. The honeycomb sponge design is more absorbent, easier to dry and more breathable. Sponge Mop Adjustable Iron: The handle is adjustable from 98cm to 118.5cm inches. Rotate the middle rod counterclockwise to adjust the length of the mop as needed. Sponge Mop Water Scraper: Having a scraper helps you clean dirt and water in an easier and faster way. Sponge Mop Removable Sponge: The sponge part can be easily removed and installed, you can remove it for thorough cleaning or storage.