These shatterproof tumblers were originally designed for use in restaurants and now available for your home. The thick walls are made of 100% BPA free plastic and are designed to withstand daily use for many years ideal for busy families with kids. These BPA free plastic cups are ideal for serving water, soft drinks, milk, juice and iced tea. Cups are highly resistant to chipping and cracking making them ideal for beverage service indoors and outdoors. The built-in stacking lugs allow these cups to easily nest without jamming saving you cabinet space. Certified by the National Sanitation Foundation, these cups are dishwasher safe for residential and commercial dishwashers.