These handy glass screens are designed to sit inside your pipes to prevent the inhalation of ash and other particles while smoking. These little screens do just what you want a screen to do, Heat evenly without a metallic taste and don't contain potentially harmful elements like some metal screens. Each screen is handmade and unique, and the colours may vary from the photos. Choose from two designs, Stars/Daisies or Jacks. Screen Features: Hand-Blown Glass and Chemical-Free Vary Around 1/4” to Fit a Variety of Pieces Will Not Burn Through or Deteriorate Assorted Colours Jacks or Stars/Daisies