Premiere Coverslips No. 1, 18mm x 18mm

Premiere Coverglass 18 x 18 mm, No. 1 thickness

Optically clear coverslips are manufactured from white glass for extra clarity and are sold by the ounce. Coverslips are classified No. 1 thickness from 0.13mm to 0.17mm.

1 oz is about 210 coverslips.