Can be used as a staining chamber. Made of glass with lid. Compact size offers good plate visibility and minimal solvent use.. 10.5cm Height. 6.5cm OD. Pack of 6. . . Sigma-Aldrich Z243906-6X1EA Aldrich TLC Developing Tank, Cylindrical, 6.5cm OD, 10.5cm Height, Glass, Pack of 6. Country of Origin : United States. Part Number : 1192L91EA. Pack of : 6.