These needles are the correct duration, and may not puncture the liners if appropriately made use of WARNING: Item can't be returned or exchanged if liner is destroyed or punctured as a result of inappropriate inflation or needle use A versatile liner suitable for different head styles offers comfort and https://speedflex-adult-large04814.pointblog.net/not-known-factual-statements-about-adult-medium-speedflex-72732251