NFL Sidekick has all the fun action and real-life graphics of our Real.Big. Fathead Wall Graphics in a more space-friendly size. NFL Sidekick fits all kinds of spaces including doors, fridges, windows, tables, dorm rooms, etc. Kids can put them up and move them with ease. NFL Sidekick makes a great complement to Fathead Real.Big. Wall Graphics. Approximately 2'x 3'.