The product takes activated carbon, an international-standard adsorbing material of high efficiency as inner. ACF has abundant micro pores and excellent adsorption function. It can quickly remove smoke, odors and harmful material such as benzene and formaldehyde in your rooms and cars. Compared to GAC, ACF can effectively kill and guard against germs and the adsorption rate is dozen times of the GAC. It has two-way humidity function. That is to say, it can release its moisture or adsorb the water in the air to keep it relatively dry according to surrounding humidity. The product keeps the air fresh and natural, to create a clean and comfortable living for you. These toys are suitable for baby’s rooms and cars to purify air.