Why am I asked to remove my bottle tops? The O2 27 February 2015 11:32 Updated Follow The tops are removed for safety reasons. Related articles Which items aren’t allowed in the arena? Why can’t I take a can or glass bottle into the arena? Can I take food and drink into the arena? Can I bring a banner / poster to a show? Can I deliver a present or letter for an artist performing at The O2? Comments 0 comments Article is closed for comments.