Kalt Plastic Graduate 2 oz - 50 cc Tweet Description The Kalt Plastic Graduate is made of thick clear styrene. This one holds up to 2 oz or 50 cc of liquid. Details Additional Category Tags: Developing & Processing, Developing & Processing Supplies, Graduates Category: Photography Manufacturer Catalog Number: NPGC2 Product Manufacturer: Kalt Subcategory: Darkroom Equipment