Notes: These are indeed plastic cups, but they are biodegradable. The scientific definition of plastic refers to how the material functions, and not the source of the material (eg, petro or agricultural products). Sale Items World Centric Cups and Lids Fabrikal Cups and Lids Imprinted Cups Discontinued Items Biodegradable 24 ounce World Centric cups - case of 1000 (CP-CS24) US $140.00, 4/US $528.00 Biodegradable 12 ounce cold/warm cloudy white cups - pack of 50 US $4.00 Biodegradable Plastic 12 ounce cups - pack of 50 Regular price: US $7.50 Sale price: US $6.00 Biodegradable Plastic 3.5 ounce sample cups - pack of 100 Regular price: US $6.00 Sale price: US $3.75 Lids for Fabrikal 3.25 and 4 ounce cups - case of 2000 US $80.00