This is a self-leveling cup holder that swivels on two points to keep your frosty beverage upright at all times. The Liquid Caddy mounts to your handlebars or your rack tubing and is very easy to install. The Liquid Caddy extends to handle tall beverages as well as 12oz. cans and will fit most any beverage snugly without the help of foam insulators. BEST OF ALL...The Liquid Caddy is PRICED FOR YOU! A great deal!