Security - Bag Policy. Large bags including rucksacks are not allowed. There are no facilities to leave large bags or luggage. If you really have to bring a bag - and it's preferable you don't, please make sure it's small. Only one small bag per person is permitted and it must not be bigger than A4 size. Height 28.7cm Width 21cm Depth 15cm. No under 8s. Under 14s to be accompanied at all times by an adult over 18. Under 25s require ID to purchase alcohol. A max of 4 tickets per person and per household applies for the presale, rising to a max of 6 tickets per person and per household for the general sale. Tickets in excess of this will be cancelled.