Expect a seamless game day experience when you use the Franklin(R) NHL(R) Hi Density Street Hockey Balls as your primary choice of equipment. Advanced Technology AGS (Active Gravity System) sustains a low center of gravity that doesn't bounce Micro-pellet dampening material suspended within a liquid improves passing, shooting and control Additional Details Official size: 2.62" Comes in packs of 32degF For use above 32oF Franklin