not the best option for travel [SEP] i like the idea of this diffuser however it has not worked for me i purchased it primarily for use when traveling as hotels never have diffusers unfortunately i have not yet found a hotel hair dryer that will accommodate this diffuser the opening while flexible does not stretch and will likely not fit over the end of any portable style dryer out of desperation i have tried holding the diffuser close to the dryer nozzle with my other hand and noticed the diffuser collapses very easily in short it simply does not work well for travel