High Quality: The caulking tape is made of high quality PVC material, environmental protection and non-toxic, waterproof, moisture-proof, dirty-proof, acid-proof and alkali-proof. Size of the caulking tape. waterproofing for bathtub: white, brown, cream: 3.2m*3.8cm. You can make some adjustments and cut the length according to your needs. Easy to apply, convenient and time-saving. Range of use: sink, washbasin, bathtub, toilet, tile and wall joints can prevent dirty and black, provide a durable seal and give a finished professional look to kitchen and bathroom areas keep your home clean and tidy like new for a long time. Flexible Design: Flexible PVC sealing strip with crease design, so that it could be bent at 90 degrees to seal joints between walls tightly. Clean the position before installation and keep it dry. Simply peel and press the self-adhesive strip to the surface in minutes. Heat the glue with a hair dryer for better adhesion.