Insulated Metal: Our protein shake bottle is made of high-quality 304 stainless steel. The protein bottle also has a 100% BPA free plastic lid, keeping your drinks cold and chemical free. Leak Proof and Durable: The lid of the gym shaker bottle includes a removable mixer, high-quality silicone gaskets, and a twist-close style mouthpiece, ensuring no accidental spills or leaks. Easy to Carry: The stainless steel protein shaker bottle has a capacity of 24 ounces/740 ml, internal measurement lines, and a small carrying hook that can be hung on bags, belts, and more. Anti-Skid Bottom: The metal shaker bottle has a soft rubber bottom to minimize sliding and unwanted noise and prevent surface damage. Our gym shaker outperforms other shaker cups for protein shakes. Range of Applications: The insulated shaker bottle is not only suitable for fitness enthusiasts but anyone looking for a quality, stylish water bottle to keep drinks hot or cold, like pre workout. Introducing our premium quality insulated metal protein powder shaker bottle with carbon fiber print. It is made of high-quality 304 food-grade stainless steel interior and exterior. Our insulated mixer cup is designed with a BPA free, leak proof twist open/close mouth style cap, which makes it easy to carry and use with less chance of leaks. The shaker has a removable protein mixer to help with a smoother drinking experience. We have also included a collapsible cleaning brush for easier cleaning. The stainless steel shaker bottle is perfect for the gym, running, cycling, camping, hiking, yoga, office, and more. This blender bottle shaker is a great gift idea for your family and friends.