Abstract: The present invention relates to a mask and an inflatable structure thereof. The inflatable structure which is provided in a mask's body comprises: a ventilation seat; a sleeving connection which is sleeved at one end of the ventilation seat and sandwiches the mask's body together with the ventilation seat, with the sleeving connection provided with a socket tube so that the mask's body, the ventilation seat and the socket tube are in air communication; an air-sealed hood which is connected to the sleeving connection and provided around the socket tube. By virtue of the structure in the present invention, the air flow can be effectively imported into the patient to significantly increase the survival rate of the patient.

Abstract: A mask structure includes a mask body having at least one edge side; at least one subsidiary part connecting with and corresponding to the edge side, wherein an angle is formed between the subsidiary part and the mask body; and a band set fixing at the two sides of the mask body.

Abstract: A face mask structure, which includes an outer protective layer prepared from a water-repellent non-woven fabric; an inner protective layer prepared from a hydrophile non-woven fabric; a filter layer prepared from a static high-density fiber material for filtering microbes and dust powder, and sandwiched between the outer and inner protective layers; and a compound layer treated with a multiple functionalize carboxylic acid derivative that is a product from a chemical reaction between a cyclodextrin complex and a multiple functionalize carboxylic acid. The cyclodextrin complex can be a complex of cyclodextrin and an essential oil, antibiotic agent, or mosquito repellent agent.

Abstract: An adjuster for facemask includes a main body and a plurality of fixing pillars. Each of the fixing pillars provides an anti-move-back elastic member and a fixing groove in a way of the anti-move-back elastic member and a fixing groove in a way of the anti-move-back elastic member being received in the fixing groove. An end of a girding band on the facemask is capable of being inserted into the fixing groove to be adjustably held by the anti-move-back elastic member tightly such that the facemask can be worn comfortably and contact the face area surrounding the mouth and the nose of the user tightly.