[Material and Size] The head of this caulk kit is made of rubber and handle is made of plastic. The 8.6inch comfortable handle has 4 different tip sizes, about 0.8inch, 1.1inch, 1.4inch and 1.7inch. It can to apply sealant evenly on uneven surfaces, saving material time. [Easy to Use] This multifunctional rubber caulking tool is easy to use, making caulking and grouting tasks simpler. It helps you complete your tasks efficiently, suitable for professionals and beginners. [Washable and Reusable] Each caulking finishing tool is reusable. After using, simply rinse or wipe with water or a damp cloth. Once it gets dry, you can store it for next use. Note: Please wipe off stains before drying. [Suitable for Different Surfaces] The package includes tips in sizes, easy to put in the corners and effectively smooth out the caulking to get a better and neater finish. It works efficiently on different surfaces and materials, suitable for professional builders and DIY enthusiasts. [Wide