FILL-n-DRILL Tennis Trainer - The Original Water Filled RebounderFill n Drill is the perfect portable tennis training aid. Simply hit the ball and it comes back to you! Fill the base with water or sand and it instantly becomes heavy enough to hold the unit in place. Non skid pads underneath help keep it stable Unwrap the cord, hit the ball as hard as you want, and the ball bounces back to you. The harder you hit the faster the ball is rebounded to you Rubber cord is 15 feet long and stretches to 30 feet for hard

Extra durable hand made knots

The soft PU infused multifilament inner core reduces shock and vibration

Perfect Size: Sized like actual tennis balls

maintaining its pristine appearance over time

lenses are also treated with an anti-scratch and anti-fog coating

and preserve your baseball or softball glove

BLACK COLOR

Get ready to practice in no time with the Rally Pro Rebounder

Available in 16g and 17g sets and reels

The foam blade is durable and holds up in extreme climates

features a blue tinted

Use it while you’re playing