Frosted(Economy) :Single frosted one end, one side. White glass, beveled edges
Frosted(Premium) :Guaranteed non-sticking, ideally suited for hematology differential smears, pathology tissue mounting and all general microscopy;Slides are manufactured from highest purity, corrosion-resistant clear sheet glass fully annealed to minimize chipping
Plain(Economy) : Economical with smoothly ground edges and are suitable for a variety of applications (not recommended for hematology use);Plain slides, no frosting
Plain(Premium) :Guaranteed non-sticking, ideally suited for hematology differential smears, pathology tissue mounting and all general microscopy; Slides are manufactured from highest purity, corrosion-resistant clear sheet glass fully annealed to minimize chipping; Edges are precision ground for smoothness