1. Material: sponge 2. High temperature resistance, foam expansion when it meets water 3. Many shapes to choose, can be quickly cleaned 4. Used to remove welding slag, keep clean 5. Before using the sponge, it should be fully immersed in water, squeeze dry, and then placed on the soldering iron stand 6. Due to different factory batches, the color varies slightly please prevail in kind 7. Size before immersion: about 10 x 6 x 0.06cm 8. Size after immersion: about 10 x 6 x 1cm
