Tosnail 20 oz. Break-Resistant Plastic Restaurant-Quality Beverage Water Tumblers Cups, Set of 12 in 3 Assorted Colors Great Value, set of 12, each 3 of Blue, Pink & Gree. Height: 6" Mouth Diameter: 3.5" Bottom Diameter: 2.6" Safe and sturdy. This durable material is a safer and better alternative to glass. Classic restaurant style design.Great for restaurant self-service areas as well as home parties and catered events. Take it outside. It's also great for patio, poolside, picnic, and other outdoor use. Dishwasher safe.