- The official HIWC Pineapple mask with golden pineapples design; each mask will be unique - The pineapple is the symbol of the Heidelberg IWC conveying hospitality, friendship and warm welcomes - Fitted mask for adults - Filter sewn in - Elastic bands to be worn behind your ears - Can be machine washed at 60° and boiled in water; CANNOT be ironed! - Created by HIWC Member Rebekka Klingshirn