Product Features Material: High quality szkło Etui: Stylish and functional silicone case Cap: Natural bamboo with drawstring for carrying Capacity: 1000 ml BPA-free: Made from safe, BPA-free materials Motivational measure: Division to help control hydration Convenience of use The material is BPA-free, making it safe for your health. Motivational measuring cup A special scale supports maintaining a healthy habit of proper hydration throughout the day. Thanks to the measuring cup, it is easier to track the progress of drinking water, which is crucial for people seeking to maintain a healthy lifestyle and habits. Perfect for any occasion This is the perfect companion for everyday use. Questions and Answers Is szkło resistant to temperature changes? Is the cap tight? Yes, the bamboo cap ensures full tightness, protecting against leakage of beverages.