350 ml The penguin shake bottle is a unique and adorable design that will bring a smile to your face every time you use it. Made from high-quality tritan material, this bottle is durable, lightweight, and safe to use with food and beverages. The transparent body of the bottle allows you to easily see the contents inside, making it perfect for shakes, smoothies, and other drinks. Overall, the penguin shake bottle with twist mixer and tritan material is a must-have for anyone who loves making shakes, smoothies, or other drinks. Its durable, easy-to-use design and cute penguin character make it a fun and functional addition to any kitchen or gym bag.