The adhesive glue is a natural latex that can be applied with your fingers. It is quick drying, waterproof, uv resistant, flexible, and permanent. A great solution for holes under 2 inches in diameter. For repairs larger than that, you should take it to a local canvas shop for repair
Please be aware that dye lots vary, and some fading will occur to fabrics exposed to sunlight, so your patch kit be a shade off.