This Wilson Ball Pick up Tube is lightweight holds up to 18 tennis balls and has rubber ends at one end there is a rubber band to stop balls from falling out when in transport. Use the integrated fence clip to hang the ball tube for easy ball dispensing and the adjustable shoulder strap to carry the ball tube on and off the court. The plastic body is a transparent red, allowing the user to visibly see the number of balls within the tube at any point in time. Help you to play easily and better. Try this Wilson Ball Pickup Tube and play without worry.