Powdered glass frit sifters are lightweight with a 60 mesh screen bottom. Metal handles is removable. These sifters were specially designed for applying powders over a stencil or other masking objects such as leaves, ferns, twigs, etc. It is very important to work in a well ventilated area and wear a dusk mask at all times when working with powdered frit. Always clean the work space with a damp cloth when finished to pick up the powder residue that has drifted off the kiln shelf and other work space areas. Set of 2 Sifters ~ Small sifter is 3.2cm cup diameter and the Large is 5.4cm cup diameter.