These needles are the correct length, and should not puncture the liners if thoroughly employed WARNING: Merchandise can not be returned or exchanged if liner is destroyed or punctured resulting from inappropriate inflation or needle use A flexible liner suitable for numerous head shapes offers consolation and stability Detachable moisture-resistant https://hectordkimp.total-blog.com/the-best-side-of-riddell-speedflex-adult-large-56221723