Arsenal F.C. Birthday Card- birthday card- approx 22.5cm x 12cm- message inside ‘have an amazing day’- Official Football Merchandise facebook pinterest Arsenal F.C. Birthday Card. approx 22.5cm x 12cm message inside ‘Have a Amazing Day’ Arsenal F.C. Birthday Card. – approx 22.5cm x 12cm – message inside ‘Have a Amazing Day’ – official licensed product Official Club Gift. Brand New. Discount Price: £3.99 Buy from Amazon