FLEX SHOT® is a super thick rubber sealant that caulks, bonds, seals virtually everything. Flex Shot forms a watertight, flexible barrier and is so easy to use. No need for a bulky caulking gun; push the nozzle for a perfect bead every time. No running or dripping and never shrinks or cracks. Available in clear and black and mildew-resistant white and almond. It's perfect 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 so much more!It works on porcelain, tile, metal, glass, fiberglass, wood, granite, stone, marble, fabric, upholstery, paper, AND just about any other surface that is free of grease and oil.