Athverv Pro Series Fuel Shaker Bottle is built from premium, high-quality, durable Tritan material with innovative features. This BPA and phthalate-free bottle is designed with a rounded base for a perfectly smooth blend, every time. It features an innovative Spout Guard to keep the drinking surface clean, preventing it from contacting a dirty gym figure. With its sleek yet rugged design, the Fuel Shaker Bottle is the perfect choice for professional athletes seeking style and functionality.