64oz stainless steel double wall vacuum insulation keeps drinks cold for 36 hours or hot for 18 hours, ideal for outdoor adventures, gym sessions, and office use. Premium food-grade 18/8 stainless steel interior resists rust and odors, ensuring safe and clean drinking experience. Leak-proof straw lid design allows for effortless sipping while preventing spills during travel or workouts. Durable powder-coated exterior withstands daily wear and tear, maintaining a sleek matte finish. Large capacity meets hydration needs for all-day use without frequent refills. Ergonomic carry handle offers comfortable portability for hiking, commuting, or beach trips. Commercial-grade construction makes it perfect for restaurants, cafes, and bulk retail businesses seeking high-quality drinkware.