These needles are the proper duration, and may not puncture the liners if appropriately utilised WARNING: Solution cannot be returned or exchanged if liner is broken or punctured due to incorrect inflation or needle use A versatile liner suitable for many head shapes supplies comfort and security Detachable dampness-resistant liner https://speedflex-adult-large47272.blog-a-story.com/11290855/the-definitive-guide-to-speedflex-adult-large