Wilson NXT 16/1.30 Tennis String (Black) Poly Tour Spin Inside each Humidome are specially

Inside each Humidome are specially designed beads that can carry up to one hundred times their own weight in water

15 Tennis String Reel (Silver) Specs:

Composition: Zycro Micro Fiber

Construction: Multifilament - 30 Filament Outer Wrap

Wilson NXT 16/1.30 Tennis String (Black) Poly Tour Spin Inside each Humidome are speciallyFeaturing proprietary Xycro Micro Fibers impregnated with PU for enhanced comfort and power, NXT is the world's most popular multifilament string. Sporting a larger sweet spot than traditional synthetic gut string and a fraction of its shock, NXT has stood the test of time for good reason. Geared towards players looking for maximum comfort, NXT is strongly suggested for players with arm problems. For installation, handle gently and avoid over clamping