Usage Tips:Stainless steel mesh screen: mesh screens are made of 304 stainless steel, sturdy and not easy to rust, easy for using, cleaning and , last longerSmoking pie screens dimension: these screen filters are 15mm in diameter, universal shape and size, suitable for most smoking pipe or bowlHelpful for smoking pipe: the pipe screens can prevent the hot ash and embers from entering the pipe, making the pipe easier to cleanUseful for smoking enthusiast: the pipe screens effectively allow of smoke and air while keeping dirty, harmful ash from pulling through your pipeColor: silveryPackage Contents:150 * Pipe filterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.