high quality and comfortable set of Vaporizer Kit Universal size：Tubing long:188cm(74inch) Comes with 2 masks, 1 adult mask, 1 child mask. It fit on a wide variety of face sizes The cup can adjust the mist, you just need to move the lid on it 10 min warm water cleaning before use,The tubing should be replaced regularly,since it is not possible to completely clean the inside of the tubingfathers day gifts for dad