This oval flat water bottle is made of high-quality Tritan material and does not contain BPA. The bottle body is transparent, the unique mini mug shape of the bottle cap, and the built-in food-grade leak-proof silicone ring, their combination makes the water bottle more simple and fashionable. At the same time, its oval flat design makes this travel water bottle fit perfectly in your hand. Whether it's camping, fitness, or office, it becomes a memo water bottle to carry around.