Speedo Training Paddle Traditional paddles for all-purpose use Great for developing stroke technique and upper body strength Paddle square design increases the surface area of the user's hand, thus providing more resistance for better training Perfect for all swimming levels and can also be used for aquatic fitness and resistance exercises Sizing: SM (Blue) - Height: 6.5'' | Width: 4.0'', MD (Red) - Height: 6.75'' | Width: 4.5'', LRG (Yellow) - Height: 7.5'' | Width: 5.0''