Features: Brand new and high quality The soldering cleaning sponge is placed on the soldering iron stand to clean the soldering iron tip. When it wet water will be inflate, welding the soldering iron have the solder, the sponge makes the cleaning action. And heat and high temperature resistant. Soak in water and foam. The effect of cleaning the soldering iron tip is obvious. Specifications: Material: Woodpulp Cotton Size: approx.3.6x5.3cm/1.42x0.87in, for detail size as pictures. Color: Shown in pictures. Optional Shape: Rectangle, Round, Square Quantity: 50pcs Package Includes: 50 x Cleaning Sponge note: Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color of the item.