The roll is suitable for use in farms with a large amount of flies or flying pests the yellow paper helps to attract flies as they are naturally attracted to the colour just hang the trap on a nail or hook pull the paper out to the desired length when the trap is full of flies tear off the paper and pull it out again for the trap to be effective hang them close to the animals not too close otherwise there is a risk of sticking glue on the hands can easily be removed with the aid of co