Waterproof Repair Sealing Clay is a ready-to-use clay that suitable for repair the wall hole and seal the gap with simple operation. Self-contained cooling materials that automatically fix objects after quick air drying. How to use: 1.Reshape the clay can depend on the size of hole/gap. 2.Can be perfectly blended with the surface. 3.Air-dry in only about 10 minutes.With flame retardant,Waterproof. Waterproof Repair Sealing Clay Warm tips: 1. Due to manual measurement, please allow a slight error. 2. The color may be slightly different due to different monitors. About Service: If you have any questions about our products, please send us a question directly, and we will answer your questions online at any time