Late nights Tweet by @O2AcademySheff Published May 17 2023 02:45 PM A gentle reminder about bags 🚨🎒- ONE small bag per person (no bigger than A4) - Large bags + rucksacks are not allowed - If you really have to bring a bag, please make sure it's small. More info 👉 https://t.co/3nv6zgBB8M, — O2 Academy Sheffield (@O2AcademySheff) May 17, 2023 13:45