1set Tennis Trainer With 1/2 Ball Self-study

Features:Inlet and outlet for water: solve the problem that the ball seat is not full of water and pour water.A perfect multipurpose trainer for practicing all your tennis skills.Fill the base with water so it does not move, the weight will be up to 1kg.Very light when empty so it can be stored and carried easily.Mitation tennis design: perfect fit with tennis.Specifications:Material: High density PE + Tennis ballColor: Green, OrangeSize: 250 * 205 * 70mm/9.84*8.07*2.76"Weight: About 325g