Talisman Test Sieve For Small Batch Slips, Glazes and Laboratory Use Talisman test sieves are molded from super-strong polycarbonate which has the rigidity and smooth feel of glass, resistant to UV damage, are virtually unbreakable, and BPA free Talisman test sieves use only the best 316 marine grade stainless woven mesh; the same material used in surgical instruments Essential for developing test glazes, sized to conserve space, fits into small mortar cups, standard glaze containers Get greater control over you finished wares; eliminates one step in pouring the sieved material into a storage container One piece test/mini sieve - ideal for sieving stains and test batches of glaze. #60 mesh size. Diameter across top - 11 cm (4 1/4") Diameter across bottom - 8 cm (3 1/4") Depth - 4.5 cm (1 3/4") Polycarbonate Body