Fairtex HB10 Bowling Bag (UN-FILLED)Constructed of Syntek Leather with heavy duty water resistant and non tear nylon lining with nylon web straps. Fairtex original design for punching, kicking and kneeing drills with unique tear drop shape to simulate an opponent. Supports correct knee practising by moving straps up so that user does not hold it during knee practising but holds the hands around the bottleneck instead the correct way to practice knees. At the same time, training area is