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 Initial Listing and Description provided by Ticketmaster.