This cover is divided into 4 main body: 1, nozzle (material 202 stainless steel) 2, perforated cover (material sanded 430 stainless steel) 3, gasket (material PE foam) 4、Nut (material PE) The material of this product are made of stainless steel or stainless iron, used in the bathroom for hand sanitizer, good quality, long-term use without rust. Simple assembly, can be reused or used as a replacement Cleaning brush: 304 stainless steel straw cleaning brush, brush handle is made of 304 stainless steel, brush hair is made of nylon, brush head white point is epoxy resin glue Labeling stickers: removable adhesive (can be repetitively affixed), a piece of 8 labeling stickers, enough to meet your needs