A kind of impermeable amenities includes an ontology and an impermeable unit. The ontology includes an outside and an inner face. The impermeable unit fixed what inner face, including pro-skin cloth in one, water-absorption material on the outside of the one what interior pro-skin cloth, one first waterproof material and one second waterproof material, the first waterproof material has one first bound edge being coated and fixed outside the water-absorption material and the interior pro-skin cloth periphery, between the second waterproof material position what water-absorption material outside and first bound edge. By first bound edge and the second waterproof material, it can prevent excreta from penetrating into the ontology, can increase using comfort.一種防滲透的衛生用品，包含一本體及一防滲透單元。該本體包括一外面及一內面。該防滲透單元固設於該內面，包括一內親膚布，一位於該內親膚布外側的吸水材，一第一防水材及一第二防水材，該第一防水材具有一包覆固定在該吸水材與該內親膚布周邊外的一第一包邊，該第二防水材位於該吸水材外側與該第一包邊之間。藉由該第一包邊與該第二防水材，可以防止排洩物滲透到該本體，可以增加使用舒適感。
