- BPA-Free and Durable PCTG Material: This shaker is designed for safety and longevity. It is odor-resistant, break-proof, and withstands daily use in gym bags, ensuring no chemical leaching occurs for protein shakes, pre-workouts, water, or children's sports drinks. - Food-Grade Material: Made from premium PCTG, free of Bisphenol A, this shaker guarantees healthy usage. Its excellent sealing performance and enhanced water resistance ensure no leaks, allowing users to carry it with confidence. - Leak-Proof Design: The screw-on lid and base feature an effective sealing design that prevents any liquid from escaping. The adjustable carrying strap enhances portability, making it easy to transport or attach keys for convenience. - Practical Use Scenarios: Ideal for fitness enthusiasts mixing protein shakes post-workout, parents preparing healthy drinks for kids on the go, or anyone needing a reliable container for staying hydrated during outdoor activities. - Versatile and User-Friendly: With a capacity suitable for various beverages, this shaker is built to accommodate a range of drink types easily, providing reliable performance whether at the gym, in the office, or during travel. Choose this shaker for its smart design, quality materials, and practical features that address your hydration and nutrition needs without compromising on safety or style.