The LifeVac Essential Kit is a preferable option for travel use. It is easily stored and ideal for cars, handbags, travel luggage, prams and more. Contains: LifeVac device 2 masks – size 2 and size 5 a Travel Bag (bonded PU waterproof fabric) Full instructions Emergency chart Sticker to inform others of the location of an airway clearance device. (Extra size Masks can be ordered as an add-on.)