Great for fundraisers, boats, pool/consruction company give aways, golf tournaments.Natureworks TM Poly Lactic Acid is a resin entirely derived from natural corn. PLA is 100% renewable through annual corn harvests and fully compostable in municipal and industrial facilities.These cups should be stored at temperatures under 105 degrees (40 degrees C) and away from direct sunlight. We offer single sided imprints on biodegradable plastic cups.