Single trip policy can cover you for one holiday up to 31 days. Remember that if your holiday is 7 nights, you need 8 days cover, and if you are away for 14 nights, you need 15 days cover.
Annual multi trip policies could save you money if you are planning more than one holiday in the next year. It offers cover for up to 90 days travel in the next year, but no holiday can be longer than 31 days. Multi trip polices also provide cover in the United Kingdom provided that you spend at least two nights in accommodation you booked before your departure.