The Roughneck Stainless Steel Copper Insulated Water Bottle with Secret Storage is a sleek and functional gym-themed water bottle that holds 18 oz. of liquid. Made of durable stainless steel with a screw-on lid, it features a vacuum wall design and a double wall construction for added insulation. The bottle also includes a 3" storage space perfect for storing small items while on the go. Its stylish silver color and compact size make it a convenient and practical choice for staying hydrated and storing essentials during workouts or daily activities.