Flex Shot Adhesive Sealant is an ultra-thick rubber sealant that caulks, bonds, and seals virtually everything. Flex Shot forms a watertight, flexible barrier and is so easy to use. There's no need for a bulky caulking gun: just push the nozzle for a perfect bead every time. It produces no running or dripping and never shrinks or cracks. Use Flex Shot for general home repairs, sealing around the bath, shower, and sink, replacing traditional caulk, sealing cracks and holes, RV and motorhome weatherizing and repair, boat repair, pools and pool equipment, furniture repair, weatherizing your home, and countless more possibilities. Flex Shot works on porcelain, tile, metal, glass, fiberglass, wood, granite, stone, marble, fabric, upholstery, paper, and just about any other surface free of grease and oil.Manufacturer model #: FSH8C-4. Ultra-thick rubber sealant that caulks, bonds, and seals virtually everything Forms a watertight, flexible barrier Easy to use No caulking gun: just push the nozzle for a perfect bead No running or dripping Never shrinks or cracks