Kalt Plastic Graduate 11 oz - 300 cc Tweet Description The Kalt Plastic Graduate is made of thick clear styrene. This one holds up to 11 oz or 300 cc of liquid. Details Additional Category Tags: Developing & Processing, Developing & Processing Supplies, Graduates Category: Photography Manufacturer Catalog Number: NPGC11 Product Manufacturer: Kalt Subcategory: Darkroom Equipment