This bag made of superb Polyester + TPU composite mesh material (except for the zipper part); the material is water-resistant to help prevent your pouch from water splash. (ATTENTION* The zipper part is not water-resistant. Please DO NOT put it under water). This shoe bag helps to keep your shoes dust free and protect shoes from stains. Trap the smell of shoes inside and separate the stains on the shoes from other clothing to ensure that other clothing is tidy.