16oz Insulated Polar Water Bottle double-wall vacuum insulated to keep your drink cold longer and features a scre on lid with easy flip top. Not recommended for dishwashers, hand wash only Stay hydrated and refreshed with every sip! This 16oz insulated water bottle is double-wall vacuum insulated, ensuring that your drink stays cold for longer periods of time. With a screw on lid and easy flip top, your beverage will be secure and easy to access. Plus, its sleek design is perfect for on-the-go use. Remember to hand wash only for optimal performance and longevity. Get ready to take on the day with this durable and convenient water bottle!