The height of the water bottle holder is 10 inches. It fits those water bottles with a bottom diameter of 3 inches and a top diameter of 4 inches. The tumbler can fit the shape of the cup well. The bottle bag makes it more convenient to carry your water bottle everywhere. Our water bottle pouch has 1 slip pocket and 1 zipper pocket to store your small personal items such as cards, keys, phone, tissue, earphones, cash and so on. The pockets make it easy to access your small items. This water bottle sleeve is made of soft neoprene material, and the soft outer shell protects your cup from collision and scratches. it is also water resistant, soft, lightweight, protective, and comfortable.