2 Sizes Frit Sifter for Powdered Glass - Kiln, Fusing, Slumping Supplies Small Size: 1-1/4" diameter cup Large Size: 2-1/8" diameter cup Lightweight plastic cup sifter, 60 mesh screen bottom. Removable metal handle. Specially designed for applying powders over a stencil or other masking objects such as leaves, ferns, twigs, etc.