"Show off state pride with the lightweight and flexible State of Mine silicone wine glasses! A great alternative to glass or wasteful plastic, our silicone wine glasses are perfect for using at the pool, on the beach, or at home! Dishwasher Safe. Microwave Safe. FDA Approved. California Proposition 65 Certified. Capacity: 12.5oz. Material: Silicone. Packaging: 4 piece box."