【Adhesive Supplies】 Matsuura Kogyo Eptasealer Waterproof, Airtight Pre-formed Sealing Material High-Performance Sealing Material Thickness 10mm x Width 15mm x Length 2m NO.686 High-performance sealing material primarily made of EPDM, which excels in weather resistance, heat resistance, and chemical resistance. I am selling this new and unused because I no longer have a need for it. Purchased in 2025. There is a possibility of changing the shipping method from Rakuraku Mercari Bin to Yu-Yu Mercari Bin.