These needles are the correct duration, and will not puncture the liners if correctly utilized WARNING: Item can't be returned or exchanged if liner is ruined or punctured due to inappropriate inflation or needle use A flexible liner created for numerous head styles offers consolation and security Detachable moisture-resistant liner https://dominickltxau.tokka-blog.com/31203794/not-known-factual-statements-about-riddell-speedflex-adult-large