1PVC Inner Core: The nunchakus has a PVC inner core, which is relatively light and will not feel painful when hit on the body. It is suitable for children in kindergarten. 2Safe to Use: 360 degree flexible rotation, the junction of the nunchaku is smooth and it will not hurt children's delicate hands that it is safe to use. 3Friendly for Beginners: This kung fu trainnng nunchakus is good for beginners because even if the wrong action occurs, it will not hurt you. 4Lightweight: This kung fu trainer nunchakus is lightweight and it is also made of premium sponge which is durable and has long service life. 5Wide Use: This beginner training nunchakus has a wide application that is suitable for taekwondo, kindergarten and morning exercise, etc. 1 x TrainingNunchakus Item Type: Training NunchakusMaterial: PVC and spongeGross Weight: 130g/ 4.6ozSticks Length: 25cm/ 9.8inDiameter: 2.5cm/ 0.98in