◾️Product Fireproof putty Mirai Kogyo Taika Black MTKB-AC75 When applied around pipes, it expands more than four times its size at temperatures of 300°C or higher, preventing fire spread. One unopened box containing 12 pieces. (The one opened in the photo is from a separate box for sample purposes) ◾️Condition New, unopened, but it was retrieved from a construction site, so there may be some dirt and tears. I believe there are no issues with use, but please refrain from purchasing if you are concerned about minor imperfections. ◾️Other Please comment if you have any requests regarding delivery time. Please be gentle with price negotiations. m(_ _)m #PeopleWhoSellSurprisinglyCheap