Check the listing for details. Soldering Sponge 1.97" x 1.38" Rectangle Sponge Iron Tip Clean Pad Yellow 20pcs. Condition: New. Listed at 14.30 USD. Specifications:Before soaking: 50 x 35 x 2mm / 1.97 x 1.38 x 0.08 inch (L*W*T)After soaking: 60 x 40 x 11mm / 2.36 x 1.57 x 0.43 inch (L*W*T)Color: yellowPackage includes: 20pcs sponges. Description:This is a special anti-scalding and high temperature resistant sponge, which is soft and tough. Thanks to the rough and porous surface design, it will instantly expand several times after absorbing water, with a good cleaning effect, and helps to remove tin and debris.The permeable sponge is soft, does not damage tools, and is cleaner than an iron ball. The middle hole design can easily scrape off the solder on the soldering iron tip. The cleaning sponge dries out after a long period of time without evaporating water, and can be reused after being soaked again.