For Cathay Chubb Premier Travel Cover (i.e. single trip cover), there is no age limit for the insured person.
For Cathay Rewards Annual Travel Cover (i.e. annual multi-trip cover), the insured adult must be aged between 18 to 75 years old, and the insured child(ren) must be aged at least 3 months old and under 18 years old, on the commencement date or renewal date of the travel cover.