To use this awesome Boys Day of the Dead Costume, first put on the jacket with the attached mock T - shirt. Then, place the printed collar on top. Finally, put on the matching hat. When wearing it, make sure to check the Rubies UK size chart to ensure a proper fit. For maintenance, spot - clean the costume with a mild detergent. Avoid machine - washing as it might damage the print on the collar and the jacket. Store it in a cool, dry place when not in use to keep it in good condition.