These needles are the right size, and should not puncture the liners if appropriately applied WARNING: Solution can not be returned or exchanged if liner is ruined or punctured because of incorrect inflation or needle use A versatile liner made for various head designs supplies convenience and stability Removable humidity-resistant https://riddell-speedflex-adult-l85161.activosblog.com/30251267/everything-about-adult-medium-speedflex