DOUBLE-WALL INSULATION:Made with premium 18/8 stainless steel,this stainless steel water bottle uses double-wall vacuum insulation to keep drinks cold for 48 hours or hot for 24 hours.Its sweat-proof surface and powder-coated finish ensure durability and a secure grip. ERGONOMIC DESIGN:The ridged grip ensures a firm and comfortable hold,ideal for gym,hiking,or daily commuting.A Insulated water bottle built for both indoor and outdoor adventures. SILICONE BOOT&FLEX HANDLE:The silicone boot protects from impact and reduces noise.A flexible handle loop makes it easy to carry—mens water bottle for travel, work, or school. WIDE MOUTH&FLUID SCALE:A wide mouth water bottle opening allows easy access for ice cubes or supplements.Inside markings help track your hydration goals. 2 LIDS & MULTIFUNCTIONAL:Includes two interchangeable lids—pop-up straw,spout,and screw-top—plus a bonus cleaning brush for easy maintenance.One bottle meets all your hydration needs,whether at the gym,office,or outdoors. Welcome to HydroH2O. We are a stainless steel water bottle company currently operating in San Diego. Our mission is to provide the best hydration experience the market has ever seen. As a team, we have crafted a simple, lightweight bottle that individuals of all ages, including men, women, and kids, can use. The Vital Flask contains double-walled stainless steel and vacuum insulation to hold and protect your beverages. Fill up the Vital Flask with any beverage of your choice and enjoy a nice sip of hot coffee in the morning or the coldest gulp of water after a workout. Our bottles have flex handle lids that are perfect for holding your bottle or attaching the bottle to any backpack, luggage, or person. With the HydroH2O office being close to the water, we want to make a conscious effort to reduce the amount of plastic pollution that enters our oceans daily. Choosing the Vital Flask will help these efforts and bring us closer to a clean, safe, and plastic-free environment. Whether you're running, camping, hiking, or even climbing Mount Everest, the Vital Flask will be there for you to help you hydrate along the way.