These needles are the proper duration, and should not puncture the liners if properly utilised WARNING: Products cannot be returned or exchanged if liner is ruined or punctured as a result of incorrect inflation or needle use A flexible liner designed for several head styles presents consolation and stability Removable https://speedflex-adult-large05718.ivasdesign.com/52812561/considerations-to-know-about-adult-medium-speedflex