Our line of cold drink cups are made from PLA plastic derived from corn. PLA plastic is a compostable material that when placed in a commercial environment will natural decompose back to organic elements. Unlike regular cold cups that are made using petroleum, PLA plastic products are made using US grown corn! Corn Cups. Say good-bye to petroleum-based cold cups. Earth-Centric offers a complete line of cold drink cups in the the most popular sizes. Regular drink size, beer cup size and super big slushy size, our corn cups are an affordable and "better choice" alternative. Unprinted design: Cups do not have any printed text on them...Custom printing available. You can purchase this item in the following quantity formats...Case = 2,000 Cups and Sleeve = 50 Cups. CAPACITY: 7 oz, DIMENSIONS: 3.125" height, x 3" width

NatureWorks has a heat tolerance of up to 110 degrees (F). 

  Heat Disclaimer (Please Read):  Earth-Centric, LLC certifies that all corn-based products (PLA) are stored in our temperature controlled warehouse.  Earth-Centric is not responsible for any defects or deformation that may occur during transit due to temperatures over 110 degrees.  Although we experience very few issues, UPS, USPS, and other freight companies will not guarantee temperature-controlled delivery environments.  Therefore, Earth-Centric, LLC cannot take responsibility for any heat-related defects that occur during transit.