The dynamics of your badminton game depend on the kind of shuttlecock you use. The JJ JONEX 646 is highly durable and gives you accurate flight performance.Nylon shuttlecocks are known for their high durability. One shuttlecock can be used for several matches. Also, these shuttlecocks do not harm the environment as they are not made from feathers of birds. The JJ JONEX 646 takes lesser recovery time compared to ordinary shuttlecocks. This shuttlecock is suitable to be played in conditions where the average temperature is from 12-23 degree Celsius.