Stay hydrated and look good while you do it. The ORCA Hydra will keep your water icy-cold for up to 24-hours. It features a double-walled, copper clad, vacuum seal for optimum ice and heat retention. The seamless inner wall has no welds to rust or contaminate your favorite beverage. It is powder-coated to make the Hydra just that much tougher. The food safe silicone band lets you grip the cap for an easy open. The ORCA whale tail handle is food safe and tough enough to outlast any adventure.