Product Includes: 200 Pieces Premium Quality 1/2" (0.5Inch/12.70mm) Stainless Steel Fine (60 mesh) Pipe Screens, and one Metal Storage Box. | Manufactured with Stainless Steel, sturdy and durable. | Universal shape: Thicker than ordinary pipe screens, but is flexible and easily fits into your pipe. | Dimensions: We have many different precise dimensions. Before choosing one, our recommendation is to first measure the diameter of your pipe’s opening and then choose a dimension. | Uses: These pipe screens can prevent dottle and ashes from getting sucked into your mouth while increasing airflow and aiding combustion.