Be aware: all inflatable jaw pads need an inflator pump, glycerin, and special helmet needle. Usually do not use an inflation needle with no glycerin as harm to The inner bladders could take place. These needles are the correct duration, and may not puncture the liners if appropriately utilised WARNING: https://riddellspeedflexadultlarg22484.blogoscience.com/37050177/top-speedflex-adult-large-secrets