FLEX TAPE is a super strong, rubberized, waterproof tape that can patch, bond, seal and repair virtually everything. FLEX TAPE is specially formulated with a thick, flexible, rubberized backing that conforms to any shape or object. FLEX TAPE can be applied hot or cold, wet or dry, even underwater. FLEX TAPE instantly seals out water, air and moisture to create a super strong, flexible, watertight barrier. FLEX TAPE comes in black color and in 4" X 5' size. It's extra wide size allows you to quickly cover large cracks, gaps and holes. FLEX TAPE is UV resistant, environmentally friendly, VOC-free and has a wide temperature range so it can be used in extreme weather conditions also. FLEX TAPE adhesives may resist bonding to the following surfaces: Plasticized materials, siliconized, greasy, oily, dirty or porous surfaces, waterproof or water-repellent materials and fabrics.