These needles are the proper size, and may not puncture the liners if properly employed WARNING: Solution cannot be returned or exchanged if liner is ruined or punctured on account of poor inflation or needle use A flexible liner designed for various head shapes presents comfort and security Detachable humidity-resistant https://rowanrpjqw.ssnblog.com/30094953/not-known-factual-statements-about-adult-medium-speedflex