●Practice Makes Perfect: 2.72 Kg shot put balls are the perfect option for lightweight speed training as well as boys & girls middle school competitions! These shot put balls are also able to be used indoors ●Practice Makes Perfect: 2.72 Kg shot put balls are the perfect option for lightweight speed training as well as boys & girls middle school competitions! These shot put balls are also able to be used indoors ●Standard With More: Standard practice size shot put made with PVC to keep indoor floors mark-free ●Smooth And Heavy: Dont worry about callusing your hands on these shot put balls. Dont be fooled, these smooth PVC balls have the same heft as their cast iron counterparts ●Proper Technique: These PVC shot put balls require no modification of grip and throwing technique