It can spray continuous strand with no sticky string. Second, it is easy to clean. Third, it is non-flammable with ecofriendly formula. Also, here are some tips for you to store silly string. Please keep at room temperature, shake well before using and aim nozzle towards target at a slight upwards from a distance. Use in well-ventilated areas and do not inhale or use while smoking. A simple press of the nozzle on the top of the aerosol can results in a long string of foamy plastic shooting across the room…and usually onto a friend. The strings of plastic foam are very light, but they hold together and can stick to surfaces, including people and walls.