Optimize your nutrition routine with this premium stainless steel protein shaker bottle, engineered for serious fitness enthusiasts. Available in 500ML and 750ML capacities, it accommodates various serving sizes for flexible supplementation. The integrated steel ball ensures thorough mixing of protein powders, eliminating clumps and ensuring consistent texture. The integrated measurement scale provides precise portioning without requiring separate tools, streamlining preparation. Advanced leak-proof sealing technology prevents spills during transport and storage, protecting gym bags and equipment. Durable stainless steel construction resists corrosion and maintains temperature stability, keeping beverages at desired temperatures longer. The ergonomic design facilitates comfortable grip and one-handed operation. Ideal for athletes, bodybuilders, and fitness professionals seeking reliable, efficient supplementation equipment.