D Carabiner Clip Design: D Carabiner clips are suitable for hanging anywhere which is easy to clip and replace. Solo Design: Improve your hitting technique without ever chasing a ball with this volleyball training aid. Work on arm swing, ball contact and footwork without the need of another person. A Must Have for Spiking Techniques Lightweight, and durable, the Spike Trainer holds the ball securely in place while the attacker develops form and hitting techniques, ideal for use at camps, clinics and practices at all levels. High Quality Material: The volleyball spike training system is made of Neoprene which is flexible and durable.Total length: 85cm, rubber tube length: 35cm Perfect Gift: The volleyball spike trainer is great gift for high school girls, boys and begginer. It is perfect for you to exercise jumping ability. Our Volleyball Spike Trainer comes with a large hook to easily connect it to basketball rings, poles, broom handles, backyard playsets, garage ceilings, and many more. It is A Must for Camps, Clinics and Practices at all levels. Details: Total Length: 85cm, Rubber Tube Length: 35cm Colour: Black Material: Neoprene + Metal Package Contents: 1 x Volleyball Trainer Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.