30 Pcs Soldering Iron Tip Cleaner Solder Cleaning Sponge Cleansers Solder Cleaner Solder Sponge f74 This item is made of premium sponge without fading and odor. It is anti scald and resistant to high temperature. It is used for wiping the solder leftover on the soldering iron head and can prevent the welding head from oxidation and burned by overheat, remove the solder residue and keep the PCB board clean. Features - Color: Yellow.- Material: Sponge.- Size: Approx. 5x3.5x0.2cm.- for durable and long-lasting use.- Lightweight for portable carry.- Simple and exquisite design with pleasant color and brightness.- Anti scald and resistance to high temperature.- Once immersed in the water, it will expand, without sulfur.- Can almost wipe solder iron head off completely.- Large expansion coefficient.- Used for wiping the solder leftover on the soldering iron head.- Can prevent the welding head from oxidation and burned by overheat, remove the solder residue and keep the PCB board cleanPacking list: 30 x Cleaning Sponge