Features: Comfort Support: Our volleyballs arm sleeves are craft from breathable and light weight materials, offering a comfortable fit and great forearm support during game and practices. Practical Arm Support: Designs with a thumb hole, our arm sleeves provide flexibility and ensures a comfortable fit, offering safety during intenses physical activity. Elevating Your Performances: Not just for volleyballs, our compression arm sleeves can also be used for various sports, providing additional support and reducing fatigue. Perfect for Training and Competitions: Whether it's school sport, club activity, or competitive event, our arm sleeves are designs to enhancing your support on that courts. Great for Various Users: Suitable for both kids and adults, our arm sleeves are perfect for volleyballs enthusiasts of all skill height. Specifications: Materials: Polyester Color: Black/Blue/Redness/Yellow Length: approx.27cm/10.62in Small/M Upper Mouth Width: approx.7.8cm/3.07in Small/M Lower Mouth Width: approx.10.50cm/4.13in L/1XL Upper Mouth Width: approx.9cm/3.54in L/1XL Lower Mouth Width: approx.12cm/4.72in (More Size Detail, Please See Photo.) Package Includes: 1 Pair Volleyballs Arm Sleeves 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!