Billie Jean King's Eye Coach Pro masks This stylish tank with cross

This stylish tank with cross back features UPF sun protection

Great for light leaks

Wrap-around design and clear nose bridge offers maximum vision

Lightweight and more easily portable

Length: 660 feet / 200 meters

Billie Jean King's Eye Coach Pro masks This stylish tank with crossNever miss a chance to improve your game, at home or on court. The Billie Jean Kings Eye Coach Pro is a revolutionary ball feeding system that eliminates the distraction of the ball flying over the net which instinctively retrains your eye to increase the percentage of balls that hit the Sweet Spot, at every level of play. All you only need is 10 feet of space and 5 minutes a day. Practice 30 different shots, including topspin and underspin. Totally