2020 Machida City Trial Order Certified Product: Kei-CRAFT, who has been making ball holders for soccer players around the world, is a model that makes it easy and fashionable for more people. This XO-R model can hold both soccer balls 4 and 5 by attaching adjustment hardware to the XO model. Ball holder made of polypropylene tape Body: Polypropylene material (some genuine leather is used for reinforcement), plastic rings, and metal fittings allow you to adjust the size. Engraving cannot be made with this order.