Bubi Bottle food-grade silicone is the hydration, eco-friendly, sustainable water bottle that rolls-up for convenience. It integrates durability, multi-use, and fashion. The 22 oz (425 mL) is hydration essential for fitness workouts, outdoor adventures, or long workdays. You will quickly understand why our 22 oz is the fan-favorite for camping, hiking, the gym, and every day knocking around. Dishwasher and microwave safe can also turn the bottle inside out BPA free, heat & Freezer safe.