To be used with No. 607-950-04 Staining Tray. Has a molded glass-clear TPX construction. Two lids are included. A special opening is on one lid which allows handle of No. 607-950-04 Staining Tray to be inserted. Second lid has no opening and provides evaporation-free storage of staining liquid. Dimensions are 81 x 86 x 40 mm. Staining tray holds twenty 3"" x 1"" slides. Tray has snap-on handle that is removable and has 20 grooves. Made of autoclavable polypropylene. Dimensions are 69.5 x 82 x 21 mm.