Bar Basics: 18 Ounce Plastic Party Cup - The Intoxicologist
Amazon.com: Supellectilem Red Plastic Disposable Cups - 18 Oz., 240 Ct. | Heavy Duty Large Party Cold Drink Plastic Cups Disposable : Health & Household
Red Solo Cup: How Solo's disposable drink vessel became an American party staple.
Hefty Party On Disposable Plastic Cups, Red, 18 Ounce, 50 Count - Walmart.com