Flex Seal Flex Glue is an easy-to-use, super-strong, rubberized waterproof glue that instantly bonds, seals & repairs virtually everything. No need for screws or nails, it's perfect for all types of repairs. Can be used on dry or wet surfaces & even underwater. Strong instant-grab adhesive works like a magnet, locks into place & holds on tight. Pro Formula"Even More Instant Grab". Adhesive Type: Liquid; Packing Type: Bottle; Color on Application: Clear; Color Dried: Clear.