Pyro Putty is a proprietary blend allows you to start a fire in any conditions - wet, dry, hot, or cold. Pyro Putty is now available in a small .5 oz tin that's perfect for you back-country adventures, the jockey box of your truck, or your fanny pack. Available in winter or summer blend. Waterproof Floats Nickel Sized amount will produce a 4-6 inch flame for 6 to 10 minutes Easy to Light Build up to 20 fires with one .5 oz can