【Advanced Insulation】This stainless steel shaker bottle is crafted with BPA-free, dual-layer vacuum insulation, delivering superior thermal performance—keeping drinks cold for 12 hours or hot for 6. Ideal for enjoying warm protein shakes or ice-cold water pre/post workout. 【Effortless Blending】Equipped with a precision-engineered agitator and a Tritan mixing ball (heat-resistant, food-safe), this insulated shaker bottle ensures smooth, silent blending every time. Perfect for shaker cups for protein shakes that deliver consistent results. 【Silent & Leakproof Design】Featuring a patented leakproof seal, this metal shaker bottle guarantees zero spills. Combined with silent mixing technology and a silicone base pad, it offers a noise-free experience. The transparent lid allows you to monitor your shake’s progress effortlessly. 【Quick-Clean Convenience】Designed for ease, the wide-mouth stainless shaker bottle and detachable components make cleaning a breeze—no hidden residue, just effortless maintenance. 【Versatile Companion】Built for durability, this blender bottle stainless steel adapts to any setting—gym, office, hiking, or travel. Sleek and practical, it’s the ultimate gift for fitness enthusiasts. sports nutrition shaker bottles