For people on the go, running to a meeting or running to stay in shape, the Orca Hydra bottles will go where you go. Keeping your cold drinks cold and hot drinks hot for hours. 18/8 Premium Stainless Steel. Double walled copper clad vacuum seal for optimum ice and heat retention. Seamless inner wall, no welds to rust or contaminate your favorite beverage. Top shelf dishwasher safe. Food safe Orca Whale Tail Handle tough enough to outlast any adventure. Food safe silicone Orca Grip band.