The Hack Athletics Premium Shaker Bottle is crafted from durable, kitchen-grade 304 stainless steel, ensuring long-lasting performance and resistance to odors and stains. Featuring double-wall vacuum insulation, it keeps drinks cold for over 24 hours without condensation. The innovative design includes a removable agitator with a rounded bottom for smooth mixing, eliminating clumps and noise. With its ergonomic, leak-proof pop-top lid and integrated handle, this shaker is easy to carry and clean. Perfect for protein shakes, smoothies, water, and more, it's a versatile solution for hydration on the go.