Features: Enhances your volleyball skills with the volleyball spikes trainer, designed to improve spiking power, serving accuracy, and arm hand swing mechanics. This training aids features a convenient hanging designs, craft from high strength, wear resistant materials, ensuring durability and adaptability for training. Great for volleyball player, basketball enthusiasts, sports school trainees, and fitness club members looking to boosts their athletic performances and coordination. Perfect for use in school physical education classes, professional team training camps, community sports event, family activity, and indoor outdoor workout. With its adjustable length, this spikes trainer accommodates different height and training needs, making it a essential tool to refines jumping and serving techniques. Specifications: Materials: Webbing+Sticky Strap Color: As The Picture Shows Package Weight: approx.140g Stick Size: approx.33cm/12.99in (More Size Detail, Please See Picture.) Package Includes: 1Pc Volleyball Trainer note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!