How to install the sponge head: Aim at the groove, use your strength to insert the iron clamp on the sponge head into the groove. And if you want to remove the sponge head, press the button on the sponge head and just pull out it. Sponge Mop Honeycomb Sponge: The mop has total 2 sponge heads in the box. Honeycombed sponge design is more absorbent, easier to dry and stronger breathability. Sponge Mop Adjustable Iron Pole: The handle can be adjusted from 98CM to 118.5CM inch. Anticlockwise screw the middle pole to adjust the length of the mop to your desire. Sponge Mop Water Squeegee: There is a squeegee that can help you to clean dirt and water in a easier and faster way. Sponge Mop Removable Sponge: The sponge section can be easily removed and installed, and you can remove it for thorough cleaning or storage.