The Top Rally Training Paddle is designed to improve hitting the sweet spot of the paddle. It is great for warm-up before games and for drilling. Constructed of carbon fiber face and honeycomb polypropylene core, identical to the top paddles. The Training Pickleball Paddle features a carbon fiber face with a honeycomb polypropylene core. Carbon fiber is the optimal choice of material for paddles. Not only does it produce insane amounts of spin, but it also provides a massive sweet spot with the perfect balance of power and control. A few minutes of daily practice will quickly take you to the next level. Weight Range: 7.9-8.1 oz (Blue), 7.6-7.8 oz (Purple)Grip Circumference: 4" Actual grip sizes may vary up to 1/8".Grip Length: 6"Paddle Length: 15” Paddle Width: 6" Core Thickness: 1/2"Paddle Face: Carbon FiberCore Material: Polymer Core