ORBLUE Flexible Silicone Camping Wine Glasses - 16 oz. Frosted, stemless cup is made of soft, unbreakable, BPA-free rubber that's perfect for any beverage Great for travel, picnics, hiking, camping or any outdoor setting where traditional cups might break Dishwasher-safe, ergonomic drink ware fits comfortably in your hand without slipping, even when cold Stylish, modern-looking cup is safe to freeze & thick enough that it won't chip or scratch easily Stores easily & conveniently in a backpack, duffel bag or picnic basket. Great conversation starter!