TOP NOTCH STAINLESS STEEL TRAVEL MUG-Unbreakable-16 Oz Cup-Insulated for Hot Cold Coffee Tea Cocoa Smoothies Frozen Treats & More-Many Uses-Best Quality Tumbler for Men & Women-Rubber Sure Grips (Denim Blue-Flagship Collection) Exterior and inner walls are stainless steel. Durable, easy to clean mugs that dont collect odors. Hand washing recommended for all travel mugs The wide mouths make our mugs easy to fill with your favorite snacks, chunky soups, health drinks and even ice cubes Use the mugs to keep RV, camping or boating essentials dry and handy. They fit standard car, truck and boat cup holders Use as jewelry travel kits. Use to keep cold water handy while gardening, exercising or outdoors. They come boxed and make great gifts Our mugs are suitable for many uses. See images for just a few. Available in four colors.