However, I had the cutlery tray thoroughly with detergent (would be best off in a dishwasher) wash. I have a few days the eyes been watering until I found out that the box is gigantic chemical odors, even the whole set I had to wash again. Which substances have been processed for the production is beyond my knowledge and just hope that it is not harmful and was. If so, the 4 star in my opinion nevertheless justified because the part is really solid and robust of the processing.