The Gorilla 107072 Natural Indoor & Outdoor Sandable Wood Filler is a 6 oz. caulk that is perfect for filling gaps and cracks in wood surfaces. With its natural formulation, it can be used both indoors and outdoors, providing a strong and durable seal. The product is manufactured by Gorilla Glue and is designed to be sandable, allowing for easy sanding and finishing once it has fully dried. Its compact size makes it easy to apply and ensures a precise fit for all your woodworking projects.