Made from high-quality aluminum. Uses vacuum technology for longer temperature retention. Add this Customised Metal Sipper Bottles as a Sports Bottle to your sports bag to carry water, shakes, juices, and more. The food-grade coating inside is easy to clean and preserves the nutrition in your food. You need to simply unscrew the lid to sip, pour, and refill the bottle. The inner Stainless steel body permits easy cleaning and maintains hygiene.