Description: Material: Made of microfiber material, durable and doesn't change shape after being washed, simple design for easy on and off Design: Volleyball Training strap, including two adjustable straps and Wood knobs for better holding the ball in the pass Function: Help cultivate the proper hand placement, keep your hands and fingers strong when setting and improve your form and technique One size fit all: knob diameter 4cm, before stretching Length 11cm, after stretching Length 16cm, nice and compact enough to have in your volleyball bag Applicaiton: Great for volleyball player and beginner setters; add this to your volleyball necessity and use it alone or as part of a team practice Specification: Material: Nylon+Wood Size: 11cm/4.33inch Color: Black Package Includes: 1 Pair Volleyball Training Straps(2 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!