When you have the assistance of volleyball training equipment, it is much easier to practice arm swinging techniques and tosses multiple times in a row. The adjustable cord and waistband give you full flexibility to make the volleyball trainer a perfect fit for yourself. The ball holder will also fit any volleyball size because of the adjustable pouch.It is made of high-quality nylon and diving material.The adjustable length of the product is about 211-350 cm.It is a great volleyball training aid for kids and beginners. Item Name: Training Belt Material: Nylon, Diving Features: Wear-resistant, Adjustable, High Elasticity Size Details: Adjustable Length: 211cm-350cm/83.07"-137.8" (Approx.) Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Training Belt