These needles are the right size, and may not puncture the liners if adequately used WARNING: Solution can not be returned or exchanged if liner is damaged or punctured due to incorrect inflation or needle use A versatile liner made for various head styles offers comfort and stability Detachable moisture-resistant https://riddellspeedflexadultlarg43658.p2blogs.com/30031666/details-fiction-and-adult-medium-speedflex