The outer layer of nylon and stainless steel inner tube are used, which is not easy to age and rust, and is strong and . handle: While holding it comfortably, it increases friction and prevents slipping. Protective cover: The base is designed with a removable protective cover, and the shielding screws are beautiful and generous. design: There is a large on the armrest, which absorbs light during the day and can emit light at night to guide the direction. Package includes: 1x Grab