Sashco Exact Color Custom Colored Caulk - DIY Kit (9.5-Ounce, Single Pack) FLEXIBLE CAULK  Exact Color Custom Colored Caulk is one of the most important caulking tools youll come across, mixable to match your project and stretchable to work in the most difficult situations COLORED CAULK  Get a perfectly matched product for all your custom jobs with this caulk that can be made to the exact color you need MATCH ANY PAINT INCLUDING METALLICS  No more searching endlessly for that perfectly colored caulk because it custom color matches your jobs, even ones that include metallics STAIN-MATCHING SILICONE SEALANT  Your wait is over for a flexible caulk that can match the unique stain youre using for your project SILICONE RUBBER CAULK  Has all the same performance properties of Big Stretch so you can rest assured itll work in scenarios that include moving surfaces