These needles are the correct duration, and should not puncture the liners if appropriately used WARNING: Products cannot be returned or exchanged if liner is harmed or punctured because of incorrect inflation or needle use A versatile liner made for different head shapes delivers consolation and stability Removable humidity-resistant liner https://andresoprss.dailyblogzz.com/31492300/not-known-factual-statements-about-riddell-speedflex-adult-large