Ice gel bottle is a type of water bottle that features a removable gel-filled core that can be frozen to keep the contents of the bottle cold for extended periods of time. The bottle typically has a cylindrical shape, made from plastic or stainless steel, with a narrow neck and a screw-on cap. The gel core is inserted into the bottle, where it sits in direct contact with the water or other beverage, helping to keep it cool without the need for ice cubes, which can dilute the drink. Ice gel bottles are commonly used by athletes, hikers, and other outdoor enthusiasts to keep water or sports drinks cold during long workouts or hikes. They are also popular with travelers and commuters who want to keep their drinks cold on the go. Ice gel bottles come in a variety of sizes and designs, from small travel bottles to larger, insulated bottles that can hold several servings of liquid.