1. Wash your pengu straight after your swimming directly with running non-chlorinated water.
  2. Do not wring your pengu.
  3. Do not leave your wet pengu in the pengu etui for a longer period of time. Keep it out of it as soon as you can.
  4. If you would like to wash your pengu in a washing machine wash it gently with a special detergent for delicate garments.
  5. Leave your pengu to dry naturally and keep it away from sun and heat sources and do not tumble dry.