Made of PVC for a durable, strong adhesive that provides great initial adhesion in any weather type, and prevents emergency leaks instantly, even underwater. The PET film backing is easy to remove and manage and never gets stuck with adhesive.Specially designed for patching, bonding, sealing, and repairing, it is suitable for soft and hard water pipes, PVC, plastic, glass, ceramic tiles, steel pipes, and other flat surfaces with smooth surfaces.Cut to the desired size, which should be about 1 inch larger than the desired repair area, then tear off the backing film; start at one end and press to attach securely, then continue with the rest of the application, holding the patch in place for at least 2 minutes, tape must be in full contact with the surface.Notice: It is recommended to use a temperature between -5℃-50℃.