Tennis Sports Trainer Training Ball w/ Rubber Rope - Fluorescent Yellow
Color: Fluorescent yellow - Made of soft rubber and 100% chemical fiber wool - Elasticity: 130~132cm - Propulsion deformation: 0.20~0.25N - Rubber rope length: 4m - Safe and durable for tennis sports practicer - Perfect for training with the elastic rubber band - The elastic rubber band can be taken off so they can also be used in the tennis match