Premium 18/8 stainless steel construction ensures durability and rust resistance. Double-wall vacuum insulation maintains beverages hot for 12 hours or cold for 24 hours. Leak-proof screw-on lid with silicone gasket for secure travel. Ergonomic handle and built-in straw offer versatile drinking options. Large 40oz capacity ideal for truckers, outdoor adventures, and office use. Sleek brushed finish resists fingerprints and scratches. BPA-free materials guarantee safe drinking experience. Perfect for coffee, tea, smoothies, or water. Commercial-grade insulation suitable for extreme temperatures. Dishwasher safe for effortless cleaning. Bulk purchase available with wholesale pricing advantage.